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

The molecule is a polysaccharide derivative comprised of a [2)-alpha-L-Rhap(III)-(1->2)-alpha-L-Rhap(II)-(1->3)-alpha-L-Rhap(I)-(1->3)-beta-D-GlcpNAc-(1->] tetrasaccharide repeat modified by the (1->4) linkage of an alpha-D-glucosyl group to the Rha(I) residue and by addition of an acetyl group to 50% of the O-6 positions of the GlcNAc residue. The structure provided is representative of that in Shigella flexneri serotype 2a and shows the repeating unit containing the acetyl group on the GlcNAc residue. It has a role as an antigen.

SMILES: CC(=O)NC1C(O)OC(COC(C)=O)C(O)C1OC1OC(C)C(OC2OC(CO)C(O)C(O)C2O)C(OC2OC(C)C(O)C(O)C2OC2OC(C)C(O)C(O)C2O)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][\C][C][C][C][C][C][Branch1][C][O][C][C][=Branch1][C][=O][N][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][C@H1][Branch1][C][O][/C][=C][/C][C][C][C][C][C][C][C][C][C][C][C][C]

The molecule is an N-hydroxytetradecenoylsphingosine-1-phosphocholine in which the N-acyl group is specified as (9Z)-3-hydroxytetradec-9-enoyl. It has a role as a human urinary metabolite.

SMILES: CCCCC=CCCCCCC(O)CC(=O)NC(COP(=O)([O-])OCC[N+](C)(C)C)C(O)C=CCCCCCCCCCCCCC
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][=As][Branch1][C][O-1][Branch1][C][O][O].[Na+1]

The molecule is an inorganic sodium salt that is the monosodium salt of arsenic acid. It has a role as a carcinogenic agent. It contains an arsenate(1-).

SMILES: O=[As]([O-])(O)O.[Na+]
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@H1][C][N][C][C][N][Ring1][=Branch1]

The molecule is a piperazine-2-carboxylic acid having (R)-configuration. It is a conjugate acid of a (R)-piperazine-2-carboxylate. It is an enantiomer of a (S)-piperazine-2-carboxylic acid. It is a tautomer of a (R)-piperazine-2-carboxylic acid zwitterion.

SMILES: O=C(O)C1CNCCN1
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][C][C][C][Branch1][C][NH3+1][C][=Branch1][C][=O][O-1]

The molecule is an alpha-amino-acid cation. It has a role as a human metabolite and a Saccharomyces cerevisiae metabolite. It is a conjugate base of an ornithinium(2+). It is a conjugate acid of an ornithine.

SMILES: [NH3+]CCCC([NH3+])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][=C][Branch1][C][O-1][C][C][=C][Branch1][C][Cl][C][=C][C][Branch1][C][Cl][=C][Ring1][Branch2][Cl].[NH4+1]

The molecule is an ammonium salt comprising equimolar amounts of chlorfenac(1-) anions and ammonium cations. An obsolete herbicide. It has a role as an agrochemical, a herbicide and a synthetic auxin. It contains a chlorfenac(1-).

SMILES: O=C([O-])Cc1c(Cl)ccc(Cl)c1Cl.[NH4+]
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][Branch1][C][O][=C][C][=Branch1][C][=O][C][=C][Branch2][Ring1][Ring2][C][=C][C][Branch1][Ring1][O][C][=C][Branch1][C][O][C][Branch1][Ring1][O][C][=C][Ring1][O][O][C][Ring2][Ring1][C][=C][Ring2][Ring1][#Branch1]

The molecule is a trimethoxyflavone that is tricin in which the hydroxy group at position 7 has been replaced by a methoxy group. It has been isolated from the stems of Sinocalamus affinis. It has a role as a plant metabolite. It is a trimethoxyflavone and a dihydroxyflavone. It derives from a 3',5'-di-O-methyltricetin.

SMILES: COc1cc(O)c2c(=O)cc(-c3cc(OC)c(O)c(OC)c3)oc2c1
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][Branch1][=Branch1][C][=C][Ring1][=Branch1][O][N][C][C][Ring1][Branch2]

The molecule is a member of the class of indoles that is indoline with hydroxy substituents at positions 5 and 6. It has a role as a metabolite. It is a member of indoles and a member of catechols. It derives from a hydride of an indoline.

SMILES: Oc1cc2c(cc1O)NCC2
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][Branch1][C][O][C@H1][Branch1][C][O][C@@H1][Branch1][C][O][C@H1][Branch2][Ring2][Branch1][O][C@H1][C@H1][Branch1][C][O][C@@H1][Branch1][#Branch2][N][S][=Branch1][C][=O][=Branch1][C][=O][O][C@@H1][Branch1][C][O][O][C@@H1][Ring1][=N][C][O][S][=Branch1][C][=O][=Branch1][C][=O][O][O][Ring2][Ring1][=N]

The molecule is a disaccharide derivative consisting of alpha-L-threo-hex-4-enopyranuronic acid and 2-deoxy-6-O-sulfo-2-(sulfoamino)-alpha-D-glucopyranose residues joined by a (1->4) glycosidic bond. It is an enol, an oligosaccharide sulfate and a disaccharide derivative.

SMILES: O=C(O)C1=C(O)C(O)C(O)C(OC2C(COS(=O)(=O)O)OC(O)C(NS(=O)(=O)O)C2O)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][N+1][=C][Branch2][Branch1][C][C][=C][C][=C][Branch2][Ring2][=Branch1][N][C][C][C][N][C][=Branch1][C][=O][C][N][Branch2][Ring1][C][C][C][N][Branch1][#Branch1][C][C][=Branch1][C][=O][O-1][C][C][=Branch1][C][=O][O][C][C][=Branch1][C][=O][O][C][=C][Ring2][Ring1][=C][C][=C][C][Branch1][C][N][=C][C][=C][Ring1][#Branch1][C][=C][C][=C][Branch1][C][N][C][=C][Ring1][#Branch1][Ring2][Ring2][=C]

The molecule is a combined intercalating and chelating reagent. The iron chelate, prepared by adding Fe(NH4)2(SO4)2, effects random oxidative cleavage of DNA in the presence of O2 and a reducing agent. This activity is useful as a footprinting probe. It has a role as a chelator.

SMILES: C[n+]1c(-c2ccc(NCCCNC(=O)CN(CCN(CC(=O)[O-])CC(=O)O)CC(=O)O)cc2)c2cc(N)ccc2c2ccc(N)cc21
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][O-1]

The molecule is a hexacosatetraenoate that is the conjugate base of (11Z,14Z,17Z,20Z)-hexacosatetraenoic acid, obtained by deprotonation of the carboxy group; major species at pH 7.3. It is a conjugate base of an (11Z,14Z,17Z,20Z)-hexacosatetraenoic acid.

SMILES: CCCCCC=CCC=CCC=CCC=CCCCCCCCCCC(=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][N][Branch2][#Branch1][=N][C@H1][C][C@H1][Branch2][=Branch1][=Branch1][O][P][=Branch1][C][=O][Branch1][C][O][O][C][C@H1][O][C@@H1][Branch1][S][N][C][=C][Branch1][C][C][C][=Branch1][C][=O][NH1][C][Ring1][Branch2][=O][C][C@@H1][Ring1][=C][O][P][=Branch1][C][=O][Branch1][C][O][O][C][C@H1][O][C@@H1][Branch1][S][N][C][=C][Branch1][C][C][C][=Branch1][C][=O][NH1][C][Ring1][Branch2][=O][C][C@@H1][Ring1][=C][O][C@@H1][Branch1][O][C][O][P][=Branch1][C][=O][Branch1][C][O][O][O][Ring2][Branch1][Ring2][C][=Branch1][C][=O][NH1][C][Ring2][Branch1][O][=O]

The molecule is a single-stranded DNA oligonucleotide composed of three deoxythymidylic acid residues connected by 3'->5' phosphodiester linkages and terminated by a 5'-phosphate. It contains a dTMP 3'-end residue, a dTMP 5'-end residue and a thymidine 5'-monophosphate residue.

SMILES: Cc1cn(C2CC(O)C(COP(=O)(O)OC3CC(n4cc(C)c(=O)[nH]c4=O)OC3COP(=O)(O)OC3CC(n4cc(C)c(=O)[nH]c4=O)OC3COP(=O)(O)O)O2)c(=O)[nH]c1=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][Ring1][=Branch1][C][Ring1][Ring2][Branch1][C][C][C]

The molecule is a pinene that is bicyclo[3.1.1]hept-2-ene substituted by methyl groups at positions 2, 6 and 6 respectively. It has a role as a plant metabolite.

SMILES: CC1=CCC2CC1C2(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][C][C][C][C][C][C][C][C][C][C][C][C][C][C][C][C][C][C][C][C][=Branch1][C][=O][C][C][=Branch1][C][=O][S][C][C][N][C][=Branch1][C][=O][C][C][N][C][=Branch1][C][=O][C@H1][Branch1][C][O][C][Branch1][C][C][Branch1][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][P][N][C][=N][C][=C][Branch1][C][N][N][=C][N][=C][Ring1][#Branch1][Ring1][#Branch2][C@H1][Branch1][C][O][C@@H1][Ring1][S][O][P][=Branch1][C][=O][Branch1][C][O][O]

The molecule is a 3-oxo-fatty acyl-CoA obtained from the formal condensation of the thiol group of coenzyme A with the carboxy group of 3-oxodotriacontanoic acid (3-oxolacceroic acid). It has a role as a human metabolite. It is a 3-oxo-fatty acyl-CoA, an 11,12-saturated fatty acyl-CoA and an ultra-long-chain fatty acyl-CoA. It derives from a dotriacontanoic acid. It is a conjugate acid of a 3-oxodotriacontanoyl-CoA(4-).

SMILES: CCCCCCCCCCCCCCCCCCCCCCCCCCCCCC(=O)CC(=O)SCCNC(=O)CCNC(=O)C(O)C(C)(C)COP(=O)(O)OP(=O)(O)OCC1OC(n2cnc3c(N)ncnc32)C(O)C1OP(=O)(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][=Branch1][C][=O][C@@H1][C][C][=C][O][C][=Ring1][Branch1][C][C@H1][C@H1][Ring1][=Branch2][C][C@H1][Branch1][#Branch1][O][C][Branch1][C][C][=O][C@@][Branch1][C][O][C][Branch1][C][C][Branch1][C][C][C][C][C][=Branch1][C][=O][C@][Ring2][Ring1][C][Ring1][#Branch2][C]

The molecule is a tetracyclic diterpenoid isolated from the seed kernels of Caesalpinia crista that has been found to exhibit antimalarial activity. It has a role as a metabolite and an antimalarial. It is an acetate ester, a cyclic ether, a tertiary alcohol, a tetracyclic diterpenoid and a methyl ester.

SMILES: COC(=O)C1c2ccoc2CC2C1CC(OC(C)=O)C1(O)C(C)(C)CCC(=O)C21C
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][C][=Branch1][C][=O][O]

The molecule is an alpha,beta-unsaturated monocarboxylic acid that is acrylic acid substituted by a hydroxy group at position 2. It has a role as a human metabolite. It derives from an acrylic acid.

SMILES: C=C(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][P][=Branch1][C][=O][Branch1][C][O-1][O][C@H1][O][C@H1][Branch1][O][C][O][P][=Branch1][C][=O][Branch1][C][O-1][O-1][C@@H1][Branch1][C][O][C@H1][Ring1][N][O]

The molecule is an organophosphate oxoanion obtained by deprotonation of the phosphate and phosphonate OH groups of alpha-D-ribose 1-methylphosphonate 5-phosphate; major species at pH 7.3. It is an organophosphate oxoanion and an organophosphonate oxoanion. It is a conjugate base of an alpha-D-ribose 1-methylphosphonate 5-phosphate.

SMILES: CP(=O)([O-])OC1OC(COP(=O)([O-])[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][C][C][C][C][C][C][C][C][C@@H1][Branch1][C][O][C@@H1][Branch1][C][O][C@H1][Branch2][Ring1][=Branch1][/C][=C][/C@H1][O][C@H1][Branch1][Ring1][C][O][C@H1][Branch1][C][O][C@H1][Branch1][C][O][C@H1][Ring1][#Branch2][O][N][C][=Branch1][C][=O][C][C][C][C][C][C][C][C][=C][C][=C][C][=C][Ring1][=Branch1]

The molecule is a C-glycosylphytoceramide consisting of 1-O-(alpha-D-galactopyranosyl)-N-(8-phenyloctanoyl)phytosphingosine with the anomeric oxygen replaced by a methylylidene group. It has a role as a ceramide allergen.

SMILES: CCCCCCCCCCCCCCC(O)C(O)C(C=CC1OC(CO)C(O)C(O)C1O)NC(=O)CCCCCCCc1ccccc1