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

The molecule is a carbopolycyclic compound that is 3,4-dihydrotetraphene-1,7,12(2H)-trione substituted by hydroxy groups at positions 6 and 8 and an ethyl group at position 3 (the S stereoisomer). It is isolated from the culture broth of Nocardia brasiliensis and exhibits antibacterial activity against Gram-positive bacteria. It is also active against the multiple drug-resistant P388/ADR tumour cells. It has a role as a metabolite, an antibacterial agent, an antimicrobial agent and an antineoplastic agent. It is a carbopolycyclic compound, a member of phenols, an aromatic ether and a member of p-quinones.

SMILES: CCC1CC(=O)c2c(cc(O)c3c2C(=O)c2cccc(OC)c2C3=O)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][O][C][C][O][C][C][O][C][C][O][C][C][O][C][C][O][C][C][O][C][C][O][C][C][O][C][C][O]

The molecule is nonaethylene glycol in which one of the hydroxy groups is substituted by methoxy. It derives from a nonaethylene glycol.

SMILES: COCCOCCOCCOCCOCCOCCOCCOCCOCCO
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][=Branch2][C][C][C][C][=Branch1][C][=O][O][C][O][C][=Branch1][C][=O][C][=C][C][=C][C][=C][Ring1][=Branch1][C][=Branch1][C][=O][O]

The molecule is a phthalic acid monoester resulting from the formal condensation of one of the carboxy gruops of phthalic acid with the hydroxy group of 5-(hydroxymethyl)heptanoic acid. It is a urinary metabolite of diethylhexyl phthalate. It has a role as a xenobiotic.

SMILES: CCC(CCCC(=O)O)COC(=O)c1ccccc1C(=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][O][C@@H1][C@@H1][Branch1][C][O][C@H1][Branch1][#C][N][C][=Branch1][C][=O][C][C][Branch1][C][C][Branch1][C][C][O][C@@H1][Branch1][C][C][O][C@H1][Ring1][S][O]

The molecule is an amino monosaccharide consisting of D-glucose having a 3-hydroxy-3-methylbutanamido group at the 4-position, a 2-O-methyl group and lacking the 6-hydroxy group.

SMILES: COC1C(O)OC(C)C(NC(=O)CC(C)(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>

[O][=C][Branch1][C][O][C][C][C][C][C][=Branch1][C][=O][C][C][C@@H1][C@@H1][Branch1][Branch2][C][C][C][=Branch1][C][=O][O][C@@H1][Branch1][C][O][C][C@H1][Ring1][O][O]

The molecule is a prostanoid that is prostaglandin E2-UM in which the oxo group at position 9 has been reduced to the corresponding alcohol (alpha-configuration). It has a role as a metabolite. It is a prostanoid, an oxo dicarboxylic acid, a secondary alcohol and a ketone.

SMILES: O=C(O)CCCCC(=O)CCC1C(O)CC(O)C1CCC(=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][Branch1][C][C][C@H1][Branch2][Ring2][O][N][C][=Branch1][C][=O][C@@H1][Branch2][Ring1][=N][N][C][=Branch1][C][=O][C@@H1][Branch1][S][N][C][=Branch1][C][=O][C@@H1][Branch1][C][N][C][C][=Branch1][C][=O][O][C][Branch1][C][C][C][C][Branch1][C][C][C][C][=Branch1][C][=O][O]

The molecule is a tetrapeptide composed of L-aspartic acid and three L-valine units joined in sequence by peptide linkages. It has a role as a metabolite. It derives from a L-aspartic acid and a L-valine.

SMILES: CC(C)C(NC(=O)C(NC(=O)C(NC(=O)C(N)CC(=O)O)C(C)C)C(C)C)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][Branch1][C][C][C][C][C@][Branch1][Ring1][C][=O][C@H1][Branch1][C][O][C][C@][Branch1][C][C][C@H1][Branch2][#Branch1][=C][C][=Branch1][C][=O][C][C@@H1][C@@][Branch1][C][C][C][C][C@H1][Branch2][Branch1][=Branch2][O][C@@H1][O][C][C@H1][Branch2][Ring1][Branch1][O][C@@H1][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@H1][Ring2][Ring1][Ring1][O][C@@H1][O][C@H1][Branch1][Ring1][C][O][C@@H1][Branch1][C][O][C@H1][Branch1][C][O][C@H1][Ring1][#Branch2][O][C][Branch1][C][C][Branch1][C][C][C@@H1][Ring2][Ring2][=Branch2][C][C][C@][Ring2][Ring2][=N][Ring2][Branch1][Ring1][C][C@@H1][Ring2][Branch1][O][C][Ring2][Branch1][S]

The molecule is a triterpenoid saponin that is (3beta,16alpha)-3,16-dihydroxy-12-oxooleanan-28-al attached to a beta-D-glucopyranosyl-(1->2)-[beta-D-glucopyranosyl-(1->4)]-alpha-L-arabinopyranosyl residue at position 3 via a glycosidic linkage. It has been isolated from the aerial parts of Lysimachia clethroides. It has a role as a plant metabolite. It is a pentacyclic triterpenoid, a trisaccharide derivative, a triterpenoid saponin, a cyclic terpene ketone, an aldehyde and a secondary alcohol. It derives from a hydride of an oleanane.

SMILES: CC1(C)CCC2(C=O)C(O)CC3(C)C(C(=O)CC4C5(C)CCC(OC6OCC(OC7OC(CO)C(O)C(O)C7O)C(O)C6OC6OC(CO)C(O)C(O)C6O)C(C)(C)C5CCC43C)C2C1
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][=Branch1][C][=O][O][C@H1][Branch2][Ring1][Branch2][C][O][C][=Branch1][C][=O][C][C][C][C][C][C][C][C][C][C][C][C][C][C][C][C][C][C][O][P][=Branch1][C][=O][Branch1][C][O][O][P][=Branch1][C][=O][Branch1][C][O][O][C][C@H1][O][C@@H1][Branch1][=N][N][C][=C][C][Branch1][C][N][=N][C][Ring1][#Branch1][=O][C@H1][Branch1][C][O][C@@H1][Ring1][=C][O]

The molecule is a CDP-diacylglycerol in which the phosphatidyl acyl groups at positions 1 and 2 are specified as stearoyl and arachidonoyl respectively. It has a role as a human metabolite. It derives from an octadecanoic acid and an arachidonic acid. It is a conjugate base of a CDP-1-palmitoyl-2-arachidonoyl-sn-glycerol. It is a conjugate acid of a CDP-1-stearoyl-2-arachidonoyl-sn-glycerol(2-).

SMILES: CCCCCC=CCC=CCC=CCC=CCCCC(=O)OC(COC(=O)CCCCCCCCCCCCCCCCC)COP(=O)(O)OP(=O)(O)OCC1OC(n2ccc(N)nc2=O)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>

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

The molecule is a tripeptide composed of L-aspartic acid, L-glutamine and L-arginine joined in sequence by peptide linkages. It has a role as a metabolite. It derives from a L-aspartic acid, a L-glutamine and a L-arginine.

SMILES: NC(=O)CCC(NC(=O)C(N)CC(=O)O)C(=O)NC(CCCN=C(N)N)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][S][=Branch1][C][=O][=Branch1][C][=O][C][=C][C][=C][Branch2][Ring1][#C][C][=Branch1][C][=O][C][=C][Branch1][#Branch2][S][C][=C][C][=C][C][=C][Ring1][=Branch1][C][C][C][C][Branch1][Ring2][C][Ring1][Branch1][C][Ring1][#C][=O][C][Branch1][C][Cl][=C][Ring2][Ring1][=Branch2]

The molecule is a carbobicyclic compound that is bicyclo[3.2.1]oct-3-en-2-one which is substituted at positions 3 and 4 by 2-chloro-4-(methylsulfonyl)benzoyl and phenylthio groups, respectively. It is a carbobicyclic compound, a cyclic ketone, an organic sulfide, a sulfone, a member of monochlorobenzenes and an aromatic ketone.

SMILES: CS(=O)(=O)c1ccc(C(=O)C2=C(Sc3ccccc3)C3CCC(C3)C2=O)c(Cl)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][=Branch1][C][=O][O][C][C@H1][Branch2][Ring1][Branch1][C][O][P][=Branch1][C][=O][Branch1][C][O-1][O][C][C][N+1][Branch1][C][C][Branch1][C][C][C][O][C][=Branch1][C][=O][C][C][C][C][C][C][C][C][=Branch1][C][=O][O]

The molecule is a 1,2-diacyl-sn-glycero-3-phosphocholine having palmitoyl and azelaoyl groups at positions 1 and 2 respectively. It derives from a nonanedioic acid. It is a conjugate acid of a 1-palmitoyl-2-azelaoyl-sn-glycero-3-phosphocholine(1-).

SMILES: CCCCCCCCCCCCCCCC(=O)OCC(COP(=O)([O-])OCC[N+](C)(C)C)OC(=O)CCCCCCCC(=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][=C][C][=C][C][=C][C][=C][Ring1][=Branch1][C][=C][C][=C][C][=C][Ring1][=Branch1][Ring1][=N]

The molecule is the simplest member of the class fluoren-9-ones that is 9H-fluorene bearing an oxo substituent at position 9. It has a role as a fungal xenobiotic metabolite.

SMILES: O=C1c2ccccc2-c2ccccc21
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][=O][N][C@H1][C@@H1][Branch2][Ring2][N][O][P][=Branch1][C][=O][Branch1][C][O-1][O][P][=Branch1][C][=O][Branch1][C][O-1][O][C][C@H1][O][C@@H1][Branch1][=N][N][C][=C][C][=Branch1][C][=O][NH1][C][Ring1][#Branch1][=O][C@H1][Branch1][C][O][C@@H1][Ring1][=C][O][O][C@H1][Branch1][=Branch1][C][=Branch1][C][=O][O-1][C@@H1][Branch1][C][O][C@@H1][Ring2][Ring2][Ring1][NH3+1]

The molecule is a nucleotide-sugar oxoanion obtained via deprotonation of the diphosphate and carboxy OH groups and protonation of the primary amino group of UDP-2-acetamido-3-amino-2,3-dideoxy-alpha-D-glucuronic acid; major species at pH 7.3. It is a nucleotide-sugar oxoanion and a carbohydrate acid derivative anion. It is a conjugate base of an UDP-2-acetamido-3-amino-2,3-dideoxy-alpha-D-glucuronic acid.

SMILES: CC(=O)NC1C(OP(=O)([O-])OP(=O)([O-])OCC2OC(n3ccc(=O)[nH]c3=O)C(O)C2O)OC(C(=O)[O-])C(O)C1[NH3+]
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][O][C@@H1][Branch2][Branch1][Branch2][O][C][C@H1][O][C@@H1][Branch2][Ring2][Ring1][O][C][=C][C][Branch1][C][O][=C][C][=Branch1][Ring2][=C][Ring1][#Branch1][O][C@H1][Branch1][N][C][=C][C][=C][Branch1][C][O][C][=C][Ring1][#Branch1][C][C][Ring1][=C][=O][C@H1][Branch1][C][O][C@@H1][Branch1][C][O][C@@H1][Ring2][Ring1][N][O][C@H1][Branch1][C][O][C@H1][Branch1][C][O][C@H1][Ring2][Ring2][#Branch1][O]

The molecule is a disaccharide derivative that is (S)-naringenin substituted by a 6-O-(6-deoxy-alpha-L-mannopyranosyl)-beta-D-glucopyranosyl moiety at position 7 via a glycosidic linkage. It has a role as an anti-inflammatory agent, an antioxidant and a metabolite. It is a disaccharide derivative, a dihydroxyflavanone, a member of 4'-hydroxyflavanones, a (2S)-flavan-4-one and a rutinoside. It derives from a (S)-naringenin.

SMILES: CC1OC(OCC2OC(Oc3cc(O)c4c(c3)OC(c3ccc(O)cc3)CC4=O)C(O)C(O)C2O)C(O)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][C][C][/C][=C][/C][=Branch1][C][=O][O][C][C]

The molecule is a fatty acid ethyl ester of 2-hexenoic acid. It has a role as a metabolite. It derives from a 2-hexenoic acid.

SMILES: CCCC=CC(=O)OCC
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][=Branch1][C][=O][N][C@@H1][Branch2][Ring1][=Branch1][C][O][C@@H1][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@H1][Branch1][C][O][C][C][C][C][C][C][C][C][C][C][C][Branch1][C][C][C]

The molecule is an N-acyl-1-O-beta-D-glucosyl-4-hydroxy-15-methylhexadecasphinganine in which the acyl group has 28 carbons and 0 double bonds. It derives from a 15-methylhexadecaphytosphingosine.

SMILES: CCCCCCCCCCCCCCCCCCCCCCCCCCCC(=O)NC(COC1OC(CO)C(O)C(O)C1O)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][/C][=C][\C][/C][=C][\C][=C][\C@H1][Branch1][C][O][C][/C][=C][\C][/C][=C][\C][C][C][C][C][C][=Branch1][C][=O][O-1]

The molecule is a polyunsaturated fatty acid anion that is the conjugate base of (13R)-hydroxy-(7Z,10Z,14E,16Z,19Z)-docosapentaenoic acid, arising from deprotonation of the carboxylic acid group; major species at pH 7.3. It is an intermediate in 13-series resolvins biosynthesis from DPA (omega-3). It has a role as a human xenobiotic metabolite and a mouse metabolite. It derives from a (7Z,10Z,13Z,16Z,19Z)-docosapentaenoate. It is a conjugate base of a (7Z,10Z,13R,14E,16Z,19Z)-13-hydroxydocosapentaenoic acid.

SMILES: CCC=CCC=CC=CC(O)CC=CCC=CCCCCCC(=O)[O-]