guojianz/MolReasoner huggingface dataset:
You are a professional chemist. Your task is to generate a natural, concise, and chemically accurate description of a given molecule.

Please provide a step-by-step analysis explaining how you interpret the molecular structure, identify key features and functional groups, and summarize it into a clear and informative description.

Think step by step, and your final answer **must** be returned in the format: <answer> ... </answer>. For example:
<answer>The molecule is an epoxy(hydroxy)icosatrienoate that is the conjugate base of 11-hydroxy-(14R,15S)-epoxy-(5Z,8Z,12E)-icosatrienoic acid, obtained by deprotonation of the carboxy group; major species at pH 7.3. It is a conjugate base of an 11-hydroxy-(14R,15S)-epoxy-(5Z,8Z,12E)-icosatrienoic acid.</answer>

[C][O][C][=C][C][=C][O][C][Ring1][Branch1][=N][C][=C][Branch1][C][O][C][=C][C][=C][Ring1][=C][Ring1][#Branch1]

The molecule is a quinoline alkaloid that is furo[2,3-b]quinoline substituted by a methoxy and a hydroxy group at positions 4 and 8 respectively. It has a role as a metabolite. It is a quinoline alkaloid, an organic heterotricyclic compound, a cyclic ether, a member of phenols and an aromatic ether.

SMILES: COc1c2ccoc2nc2c(O)cccc12
You are a professional chemist. Your task is to generate a natural, concise, and chemically accurate description of a given molecule.

Please provide a step-by-step analysis explaining how you interpret the molecular structure, identify key features and functional groups, and summarize it into a clear and informative description.

Think step by step, and your final answer **must** be returned in the format: <answer> ... </answer>. For example:
<answer>The molecule is an epoxy(hydroxy)icosatrienoate that is the conjugate base of 11-hydroxy-(14R,15S)-epoxy-(5Z,8Z,12E)-icosatrienoic acid, obtained by deprotonation of the carboxy group; major species at pH 7.3. It is a conjugate base of an 11-hydroxy-(14R,15S)-epoxy-(5Z,8Z,12E)-icosatrienoic acid.</answer>

[O][C][C@H1][O][C@@H1][Branch2][Ring2][Ring2][O][C][=C][C][=C][Branch1][C][O][C][=C][Branch1][C][O][C][=C][Ring1][Branch2][O+1][=C][Ring1][N][C][=C][C][=C][Branch1][C][O][C][Branch1][C][O][=C][Ring1][Branch2][C@H1][Branch1][P][O][C@@H1][O][C][C@@H1][Branch1][C][O][C@H1][Branch1][C][O][C@H1][Ring1][Branch2][O][C@@H1][Branch1][C][O][C@H1][Ring2][Ring2][=Branch1][O]

The molecule is an anthocyanin cation that is cyanidin(1+) carrying a beta-D-xylosyl-(1->2)-beta-D-galactosyl substituent at position 3. It is an anthocyanin cation, an anthocyanidin glycoside and a disaccharide derivative. It derives from a cyanidin cation. It is a conjugate acid of a cyanidin 3-O-[beta-D-xylosyl-(1->2)-beta-D-galactoside](1-).

SMILES: OCC1OC(Oc2cc3c(O)cc(O)cc3[o+]c2-c2ccc(O)c(O)c2)C(OC2OCC(O)C(O)C2O)C(O)C1O
You are a professional chemist. Your task is to generate a natural, concise, and chemically accurate description of a given molecule.

Please provide a step-by-step analysis explaining how you interpret the molecular structure, identify key features and functional groups, and summarize it into a clear and informative description.

Think step by step, and your final answer **must** be returned in the format: <answer> ... </answer>. For example:
<answer>The molecule is an epoxy(hydroxy)icosatrienoate that is the conjugate base of 11-hydroxy-(14R,15S)-epoxy-(5Z,8Z,12E)-icosatrienoic acid, obtained by deprotonation of the carboxy group; major species at pH 7.3. It is a conjugate base of an 11-hydroxy-(14R,15S)-epoxy-(5Z,8Z,12E)-icosatrienoic acid.</answer>

[C][O][C][C][O][C][C][O][C][C][O][C]

The molecule is a polyether that consists of dodecane in which the carbon atoms at positions 2, 5, 8 and 11 are replaced by oxygen atoms. It has a role as a solvent.

SMILES: COCCOCCOCCOC
You are a professional chemist. Your task is to generate a natural, concise, and chemically accurate description of a given molecule.

Please provide a step-by-step analysis explaining how you interpret the molecular structure, identify key features and functional groups, and summarize it into a clear and informative description.

Think step by step, and your final answer **must** be returned in the format: <answer> ... </answer>. For example:
<answer>The molecule is an epoxy(hydroxy)icosatrienoate that is the conjugate base of 11-hydroxy-(14R,15S)-epoxy-(5Z,8Z,12E)-icosatrienoic acid, obtained by deprotonation of the carboxy group; major species at pH 7.3. It is a conjugate base of an 11-hydroxy-(14R,15S)-epoxy-(5Z,8Z,12E)-icosatrienoic acid.</answer>

[C][C][Branch1][C][C][C][C][C][C][C][C][C][C][C][C][C][C][C][O]

The molecule is a long-chain primary fatty alcohol that is pentadecan-1-ol substituted by a methyl group at position 14. It derives from a hydride of a pentadecane.

SMILES: CC(C)CCCCCCCCCCCCCO
You are a professional chemist. Your task is to generate a natural, concise, and chemically accurate description of a given molecule.

Please provide a step-by-step analysis explaining how you interpret the molecular structure, identify key features and functional groups, and summarize it into a clear and informative description.

Think step by step, and your final answer **must** be returned in the format: <answer> ... </answer>. For example:
<answer>The molecule is an epoxy(hydroxy)icosatrienoate that is the conjugate base of 11-hydroxy-(14R,15S)-epoxy-(5Z,8Z,12E)-icosatrienoic acid, obtained by deprotonation of the carboxy group; major species at pH 7.3. It is a conjugate base of an 11-hydroxy-(14R,15S)-epoxy-(5Z,8Z,12E)-icosatrienoic acid.</answer>

[C][C@H1][Branch1][C][N][C][=Branch1][C][=O][N][C@@H1][Branch1][Ring1][C][S][C][=Branch1][C][=O][N][C][C][=Branch1][C][=O][O]

The molecule is a tripeptide composed of L-alanine, L-cysteine, and glycine joined in sequence by peptide linkages. It has a role as a metabolite. It derives from a L-alanine, a L-cysteine and a glycine.

SMILES: CC(N)C(=O)NC(CS)C(=O)NCC(=O)O
You are a professional chemist. Your task is to generate a natural, concise, and chemically accurate description of a given molecule.

Please provide a step-by-step analysis explaining how you interpret the molecular structure, identify key features and functional groups, and summarize it into a clear and informative description.

Think step by step, and your final answer **must** be returned in the format: <answer> ... </answer>. For example:
<answer>The molecule is an epoxy(hydroxy)icosatrienoate that is the conjugate base of 11-hydroxy-(14R,15S)-epoxy-(5Z,8Z,12E)-icosatrienoic acid, obtained by deprotonation of the carboxy group; major species at pH 7.3. It is a conjugate base of an 11-hydroxy-(14R,15S)-epoxy-(5Z,8Z,12E)-icosatrienoic acid.</answer>

[C][C][C][C][C][C][C][C][C][C][C][C][C][C][C][C][C][C][C][C][C][C][C][Branch1][C][O][C][=Branch1][C][=O][N][C@@H1][Branch2][#Branch1][C][C][O][P][=Branch1][C][=O][Branch1][C][O][O][C@@H1][C@H1][Branch1][C][O][C@H1][Branch1][C][O][C@@H1][Branch1][C][O][C@H1][Branch1][C][O][C@H1][Ring1][#Branch2][O][C@@H1][O][C@H1][Branch2][Ring1][S][C][O][P][=Branch1][C][=O][Branch1][C][O][O][C][C@H1][Branch1][C][O][C@H1][Branch1][C][O][C][Branch1][C][O][C@H1][Branch1][C][O][C@H1][Ring1][#Branch2][O][C@@H1][Branch1][C][O][C@H1][Branch1][C][O][C@@H1][Ring2][Ring1][=Branch2][O][C@H1][Branch1][C][O][C][C][C][C][C][C][C][C][C][C][C][C][C][C][C]

The molecule is a mannosylinositol phosphorylceramide compound having an inositol 1-phosphoryl group attached to the mannose residue and a tetracosanoyl group attached to the ceramide nitrogen, with no hydroxylation at C-4 of the long-chain base, and hydroxylation at C-2 of the very-long-chain fatty acid. It has a role as a Saccharomyces cerevisiae metabolite. It derives from a Man-beta1-2-Ins-1-P-Cer(d18:0/2-OH-24:0). It is a conjugate acid of an Ins-1-P-6-Man-beta1-2-Ins-1-P-Cer(d18:0/2-OH-24:0)(2-).

SMILES: CCCCCCCCCCCCCCCCCCCCCCC(O)C(=O)NC(COP(=O)(O)OC1C(O)C(O)C(O)C(O)C1OC1OC(COP(=O)(O)OC2C(O)C(O)C(O)C(O)C2O)C(O)C(O)C1O)C(O)CCCCCCCCCCCCCCC
You are a professional chemist. Your task is to generate a natural, concise, and chemically accurate description of a given molecule.

Please provide a step-by-step analysis explaining how you interpret the molecular structure, identify key features and functional groups, and summarize it into a clear and informative description.

Think step by step, and your final answer **must** be returned in the format: <answer> ... </answer>. For example:
<answer>The molecule is an epoxy(hydroxy)icosatrienoate that is the conjugate base of 11-hydroxy-(14R,15S)-epoxy-(5Z,8Z,12E)-icosatrienoic acid, obtained by deprotonation of the carboxy group; major species at pH 7.3. It is a conjugate base of an 11-hydroxy-(14R,15S)-epoxy-(5Z,8Z,12E)-icosatrienoic acid.</answer>

[C][C][=C][C][=C][Branch1][C][O][C][Branch2][Ring1][O][C@H1][Branch1][S][C][C][N][Branch1][=Branch1][C][Branch1][C][C][C][C][Branch1][C][C][C][C][=C][C][=C][C][=C][Ring1][=Branch1][=C][Ring2][Ring1][#Branch1]

The molecule is a tertiary amine. It has a role as a muscarinic antagonist, a muscle relaxant and an antispasmodic drug. It derives from a p-cresol.

SMILES: Cc1ccc(O)c(C(CCN(C(C)C)C(C)C)c2ccccc2)c1
You are a professional chemist. Your task is to generate a natural, concise, and chemically accurate description of a given molecule.

Please provide a step-by-step analysis explaining how you interpret the molecular structure, identify key features and functional groups, and summarize it into a clear and informative description.

Think step by step, and your final answer **must** be returned in the format: <answer> ... </answer>. For example:
<answer>The molecule is an epoxy(hydroxy)icosatrienoate that is the conjugate base of 11-hydroxy-(14R,15S)-epoxy-(5Z,8Z,12E)-icosatrienoic acid, obtained by deprotonation of the carboxy group; major species at pH 7.3. It is a conjugate base of an 11-hydroxy-(14R,15S)-epoxy-(5Z,8Z,12E)-icosatrienoic acid.</answer>

[C][C][C][C][C][/C][=C][\C][/C][=C][\C][/C][=C][\C][/C][=C][\C][/C][=C][\C][C][C][C][C][C][C][C][C][C][C][C][Branch1][C][O][C][=Branch1][C][=O][O]

The molecule is an ultra-long-chain fatty acid that is (14Z,17Z,20Z,23Z,26Z)-dotriacontapentaenoic acid substituted at position 2 by a hydroxy group. It is a 2-hydroxy fatty acid, a hydroxy polyunsaturated fatty acid and an ultra-long-chain fatty acid. It derives from a (14Z,17Z,20Z,23Z,26Z)-dotriacontapentaenoic acid. It is a conjugate acid of a (14Z,17Z,20Z,23Z,26Z)-2-hydroxydotriacontapentaenoate.

SMILES: CCCCCC=CCC=CCC=CCC=CCC=CCCCCCCCCCCCC(O)C(=O)O
You are a professional chemist. Your task is to generate a natural, concise, and chemically accurate description of a given molecule.

Please provide a step-by-step analysis explaining how you interpret the molecular structure, identify key features and functional groups, and summarize it into a clear and informative description.

Think step by step, and your final answer **must** be returned in the format: <answer> ... </answer>. For example:
<answer>The molecule is an epoxy(hydroxy)icosatrienoate that is the conjugate base of 11-hydroxy-(14R,15S)-epoxy-(5Z,8Z,12E)-icosatrienoic acid, obtained by deprotonation of the carboxy group; major species at pH 7.3. It is a conjugate base of an 11-hydroxy-(14R,15S)-epoxy-(5Z,8Z,12E)-icosatrienoic acid.</answer>

[O][=S][=Branch1][C][=O][Branch1][C][O-1][O-1].[Ba+2]

The molecule is a metal sulfate with formula BaO4S. Virtually insoluble in water at room temperature, it is mostly used as a component in oil well drilling fluid it occurs naturally as the mineral barite. It has a role as a radioopaque medium. It is a barium salt and a metal sulfate.

SMILES: O=S(=O)([O-])[O-].[Ba+2]
You are a professional chemist. Your task is to generate a natural, concise, and chemically accurate description of a given molecule.

Please provide a step-by-step analysis explaining how you interpret the molecular structure, identify key features and functional groups, and summarize it into a clear and informative description.

Think step by step, and your final answer **must** be returned in the format: <answer> ... </answer>. For example:
<answer>The molecule is an epoxy(hydroxy)icosatrienoate that is the conjugate base of 11-hydroxy-(14R,15S)-epoxy-(5Z,8Z,12E)-icosatrienoic acid, obtained by deprotonation of the carboxy group; major species at pH 7.3. It is a conjugate base of an 11-hydroxy-(14R,15S)-epoxy-(5Z,8Z,12E)-icosatrienoic acid.</answer>

[C][C][Branch1][C][C][C][N][=C][Branch2][Ring2][#C][N][N][=C][Branch2][Ring1][Branch1][/C][=C][/C][=C][C][=C][Branch1][=Branch2][C][Branch1][C][F][Branch1][C][F][F][C][=C][Ring1][#Branch2][/C][=C][/C][=C][C][=C][Branch1][=Branch2][C][Branch1][C][F][Branch1][C][F][F][C][=C][Ring1][#Branch2][N][C][Ring2][Ring2][C]

The molecule is a member of the class of hydrazones that is used as an insecticide for control of ants and cockroaches. It has a role as a mitochondrial cytochrome-bc1 complex inhibitor and an insecticide. It is a hydrazone, a member of pyrimidines, a member of (trifluoromethyl)benzenes, an olefinic compound and a member of guanidines.

SMILES: CC1(C)CN=C(NN=C(C=Cc2ccc(C(F)(F)F)cc2)C=Cc2ccc(C(F)(F)F)cc2)NC1
You are a professional chemist. Your task is to generate a natural, concise, and chemically accurate description of a given molecule.

Please provide a step-by-step analysis explaining how you interpret the molecular structure, identify key features and functional groups, and summarize it into a clear and informative description.

Think step by step, and your final answer **must** be returned in the format: <answer> ... </answer>. For example:
<answer>The molecule is an epoxy(hydroxy)icosatrienoate that is the conjugate base of 11-hydroxy-(14R,15S)-epoxy-(5Z,8Z,12E)-icosatrienoic acid, obtained by deprotonation of the carboxy group; major species at pH 7.3. It is a conjugate base of an 11-hydroxy-(14R,15S)-epoxy-(5Z,8Z,12E)-icosatrienoic acid.</answer>

[NH3+1][C@@H1][Branch1][O][C][S][S][=Branch1][C][=O][=Branch1][C][=O][O-1][C][=Branch1][C][=O][O-1]

The molecule is an alpha-amino-acid anion that is the conjugate base of S-sulfo-L-cysteine; major species ar pH 7.3. It is a conjugate base of a S-sulfo-L-cysteine.

SMILES: [NH3+]C(CSS(=O)(=O)[O-])C(=O)[O-]
You are a professional chemist. Your task is to generate a natural, concise, and chemically accurate description of a given molecule.

Please provide a step-by-step analysis explaining how you interpret the molecular structure, identify key features and functional groups, and summarize it into a clear and informative description.

Think step by step, and your final answer **must** be returned in the format: <answer> ... </answer>. For example:
<answer>The molecule is an epoxy(hydroxy)icosatrienoate that is the conjugate base of 11-hydroxy-(14R,15S)-epoxy-(5Z,8Z,12E)-icosatrienoic acid, obtained by deprotonation of the carboxy group; major species at pH 7.3. It is a conjugate base of an 11-hydroxy-(14R,15S)-epoxy-(5Z,8Z,12E)-icosatrienoic acid.</answer>

[C][=C][/C][=Branch2][Ring2][Branch1][=C][\C][=C][/C][C][C][C@][Branch1][C][C][C@@H1][Branch1][S][C@H1][Branch1][C][C][C][C][C][C][Branch1][C][C][Branch1][C][C][O][C][C][C@@H1][Ring2][Ring1][Ring1][Ring1][#C][C][C@@H1][Branch1][C][O][C][C@@H1][Ring2][Ring1][N][O]

The molecule is a hydroxycalciol that is calcidiol in which the pro-S hydrogen of calcidiol is replaced by a hydroxy group. It is the active form of vitamin D3, produced fom calciol via hydoxylation in the liver to form calcidiol, which is subsequently oxidised in the kidney to give calcitriol. It has a role as a bone density conservation agent, an antipsoriatic, an immunomodulator, an antineoplastic agent, a calcium channel modulator, a nutraceutical, a vitamin, a calcium channel agonist, a metabolite, a hormone, a human metabolite and a mouse metabolite. It is a hydroxycalciol, a member of D3 vitamins and a triol.

SMILES: C=C1C(=CC=C2CCCC3(C)C2CCC3C(C)CCCC(C)(C)O)CC(O)CC1O
You are a professional chemist. Your task is to generate a natural, concise, and chemically accurate description of a given molecule.

Please provide a step-by-step analysis explaining how you interpret the molecular structure, identify key features and functional groups, and summarize it into a clear and informative description.

Think step by step, and your final answer **must** be returned in the format: <answer> ... </answer>. For example:
<answer>The molecule is an epoxy(hydroxy)icosatrienoate that is the conjugate base of 11-hydroxy-(14R,15S)-epoxy-(5Z,8Z,12E)-icosatrienoic acid, obtained by deprotonation of the carboxy group; major species at pH 7.3. It is a conjugate base of an 11-hydroxy-(14R,15S)-epoxy-(5Z,8Z,12E)-icosatrienoic acid.</answer>

[C][/C][=C][Branch1][C][/C][C][=Branch1][C][=O][O][C][Branch1][C][C][Branch1][C][C][C@@H1][C][C][=C][Branch1][S][C][=C][C][C][=C][C][=Branch1][C][=O][O][C][Ring1][O][=Ring1][#Branch1][O][Ring1][=C]

The molecule is an alpha,beta-unsaturated carboxylic ester obtained by formal condensation of the carboxy group of angelic acid with the hydroxy group of 2-[(8S)-2-oxo-8,9-dihydro-2H-furo[2,3-h][1]benzopyran-8-yl]propan-2-ol. It has a role as an anti-inflammatory agent, an apoptosis inducer, a hepatoprotective agent, an antineoplastic agent, a rat metabolite and a plant metabolite. It is a furanocoumarin and an alpha,beta-unsaturated carboxylic ester. It derives from an angelic acid.

SMILES: CC=C(C)C(=O)OC(C)(C)C1Cc2c(ccc3ccc(=O)oc23)O1
You are a professional chemist. Your task is to generate a natural, concise, and chemically accurate description of a given molecule.

Please provide a step-by-step analysis explaining how you interpret the molecular structure, identify key features and functional groups, and summarize it into a clear and informative description.

Think step by step, and your final answer **must** be returned in the format: <answer> ... </answer>. For example:
<answer>The molecule is an epoxy(hydroxy)icosatrienoate that is the conjugate base of 11-hydroxy-(14R,15S)-epoxy-(5Z,8Z,12E)-icosatrienoic acid, obtained by deprotonation of the carboxy group; major species at pH 7.3. It is a conjugate base of an 11-hydroxy-(14R,15S)-epoxy-(5Z,8Z,12E)-icosatrienoic acid.</answer>

[C][C][Branch1][C][C][C][C][C][C@][Branch1][C][C][Branch1][C][O][C@H1][C][C][C@H1][C@@H1][C][C][=C][C][C@@H1][Branch1][C][O][C][C][C@][Ring1][#Branch1][Branch1][C][C][C@H1][Ring1][N][C][C][C@@][Ring1][S][Ring2][Ring1][Ring1][C]

The molecule is an oxysterol that is cholesterol substituted by a hydroxy group at position 20. It has a role as a human metabolite and a mouse metabolite. It is a 20-hydroxy steroid, an oxysterol and a 3beta-hydroxy-Delta(5)-steroid.

SMILES: CC(C)CCCC(C)(O)C1CCC2C3CC=C4CC(O)CCC4(C)C3CCC21C
You are a professional chemist. Your task is to generate a natural, concise, and chemically accurate description of a given molecule.

Please provide a step-by-step analysis explaining how you interpret the molecular structure, identify key features and functional groups, and summarize it into a clear and informative description.

Think step by step, and your final answer **must** be returned in the format: <answer> ... </answer>. For example:
<answer>The molecule is an epoxy(hydroxy)icosatrienoate that is the conjugate base of 11-hydroxy-(14R,15S)-epoxy-(5Z,8Z,12E)-icosatrienoic acid, obtained by deprotonation of the carboxy group; major species at pH 7.3. It is a conjugate base of an 11-hydroxy-(14R,15S)-epoxy-(5Z,8Z,12E)-icosatrienoic acid.</answer>

[N][C@H1][Branch1][=N][C][C][=C][C][=C][Branch1][C][OH0][C][=C][Ring1][#Branch1][C][=Branch1][C][=O][O]

The molecule is a tyrosinyl radical. It derives from a D-tyrosine. It is a conjugate base of a D-tyrosinyl radical cation. It is an enantiomer of a L-tyrosinyl radical.

SMILES: NC(Cc1ccc([O])cc1)C(=O)O
You are a professional chemist. Your task is to generate a natural, concise, and chemically accurate description of a given molecule.

Please provide a step-by-step analysis explaining how you interpret the molecular structure, identify key features and functional groups, and summarize it into a clear and informative description.

Think step by step, and your final answer **must** be returned in the format: <answer> ... </answer>. For example:
<answer>The molecule is an epoxy(hydroxy)icosatrienoate that is the conjugate base of 11-hydroxy-(14R,15S)-epoxy-(5Z,8Z,12E)-icosatrienoic acid, obtained by deprotonation of the carboxy group; major species at pH 7.3. It is a conjugate base of an 11-hydroxy-(14R,15S)-epoxy-(5Z,8Z,12E)-icosatrienoic acid.</answer>

[C][C][C][C][C][C][C][C][C][C][C][C][C][C][C][C][C][C][C][C][C][C][C][C][C][C][=Branch1][C][=O][N][C@@H1][Branch2][Branch1][Ring1][C][O][P][=Branch1][C][=O][Branch1][C][O-1][O][C@@H1][C@H1][Branch1][C][O][C@H1][Branch1][C][O][C@@H1][Branch1][C][O][C@H1][Branch1][C][O][C@H1][Ring1][#Branch2][O][C][O][C@H1][Branch1][Ring1][C][O][C@@H1][Branch1][C][O][C@H1][Branch1][C][O][C@@H1][Ring1][#Branch2][O][C@H1][Branch1][C][O][C][C][C][C][C][C][C][C][C][C][C][C][C][C][C][C][C]

The molecule is a mannosylinositol phosphorylceramide(1-) having a hexacosanoyl group amide-linked to a C20 sphinganine base, with no hydroxylation at C-4 of the long-chain base or on the C26 very-long-chain fatty acid. It is a conjugate base of a Man-1-2-Ins-1-P-Cer(d20:0/26:0).

SMILES: CCCCCCCCCCCCCCCCCCCCCCCCCC(=O)NC(COP(=O)([O-])OC1C(O)C(O)C(O)C(O)C1OC1OC(CO)C(O)C(O)C1O)C(O)CCCCCCCCCCCCCCCCC
You are a professional chemist. Your task is to generate a natural, concise, and chemically accurate description of a given molecule.

Please provide a step-by-step analysis explaining how you interpret the molecular structure, identify key features and functional groups, and summarize it into a clear and informative description.

Think step by step, and your final answer **must** be returned in the format: <answer> ... </answer>. For example:
<answer>The molecule is an epoxy(hydroxy)icosatrienoate that is the conjugate base of 11-hydroxy-(14R,15S)-epoxy-(5Z,8Z,12E)-icosatrienoic acid, obtained by deprotonation of the carboxy group; major species at pH 7.3. It is a conjugate base of an 11-hydroxy-(14R,15S)-epoxy-(5Z,8Z,12E)-icosatrienoic acid.</answer>

[C][C][C][C][C][C][C][C][C][C][C][C][C][C][C][C][C][C][=Branch1][C][=O][N][C@@H1][Branch1][Ring1][C][O][C@H1][Branch1][C][O][C@H1][Branch1][C][O][C][C][C][C][C][C][C][C][C][C][C][Branch1][C][C][C]

The molecule is a N-acyl-4-hydroxy-15-methylhexadecasphinganine in which the acyl group has 18 carbons and 0 double bonds. It derives from a 15-methylhexadecaphytosphingosine.

SMILES: CCCCCCCCCCCCCCCCCC(=O)NC(CO)C(O)C(O)CCCCCCCCCCC(C)C
You are a professional chemist. Your task is to generate a natural, concise, and chemically accurate description of a given molecule.

Please provide a step-by-step analysis explaining how you interpret the molecular structure, identify key features and functional groups, and summarize it into a clear and informative description.

Think step by step, and your final answer **must** be returned in the format: <answer> ... </answer>. For example:
<answer>The molecule is an epoxy(hydroxy)icosatrienoate that is the conjugate base of 11-hydroxy-(14R,15S)-epoxy-(5Z,8Z,12E)-icosatrienoic acid, obtained by deprotonation of the carboxy group; major species at pH 7.3. It is a conjugate base of an 11-hydroxy-(14R,15S)-epoxy-(5Z,8Z,12E)-icosatrienoic acid.</answer>

[C][C][Branch1][C][C][=C][C][C][=C][Branch1][C][O][C][=C][C][Branch2][Branch1][=C][C][=Branch1][C][=O][C@H1][C@H1][Branch2][Ring1][#C][C][=C][Branch1][C][O][C][=C][Branch1][P][C][=C][C][=C][C][=C][Branch1][C][O][C][=C][Ring1][#Branch1][O][Ring1][#Branch2][C][=C][Ring1][P][O][C][=C][Branch1][C][C][C][C@H1][Ring2][Ring1][=Branch2][C][=C][C][=C][Branch1][C][O][C][=C][Ring1][#Branch1][O][=C][Ring2][Ring2][#Branch2][O]

The molecule is a member of the class of 1-benzofurans isolated from Sorocea muriculata that has been shown to exhibit antibacterial activity against methicillin-resistant Staphylococcus aureus. It has a role as a metabolite, an antibacterial agent and an antifungal agent. It is a member of resorcinols, a member of 1-benzofurans and an aromatic ketone.

SMILES: CC(C)=CCc1c(O)ccc(C(=O)C2C(c3c(O)cc(-c4cc5ccc(O)cc5o4)cc3O)C=C(C)CC2c2ccc(O)cc2O)c1O