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

The molecule is a wax ester resulting from the formal condensation of the carboxy group of heptadecanoic acid with the hydroxy group of palmityl alcohol. It derives from a heptadecanoic acid and a hexadecan-1-ol.

SMILES: CCCCCCCCCCCCCCCCOC(=O)CCCCCCCCCCCCCCCC
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][C][C][C][C][C][C][C][C][C]

The molecule is a dialkyl ketone that is nonacosane substituted by an oxo group at position 10. It has a role as a plant metabolite. It derives from a hydride of a nonacosane.

SMILES: CCCCCCCCCCCCCCCCCCCC(=O)CCCCCCCCC
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][O][C@H1][Branch1][O][C][O][S][=Branch1][C][=O][=Branch1][C][=O][O][C@@H1][Branch2][Ring1][=N][O][C@H1][O][C@H1][Branch1][O][C][O][S][=Branch1][C][=O][=Branch1][C][=O][O][C@@H1][Branch1][C][O][C@H1][Branch1][C][O][C@H1][Ring1][=C][O][C@H1][Branch1][C][O][C@H1][Ring2][Ring1][=N][O]

The molecule is an oligosaccharide sulfate formed by sulfating methyl 6-O-sulfo-alpha-D-glucopyranosyl-(1->4)-6-O-sulfo-beta-D-glucopyranoside at O-6 of each glucose residue. It is an oligosaccharide derivative, a glycoside and an oligosaccharide sulfate. It is a conjugate acid of an alpha-D-Glcp6S-(1->4)-beta-D-Glcp6SOMe(2-).

SMILES: COC1OC(COS(=O)(=O)O)C(OC2OC(COS(=O)(=O)O)C(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][C][=Branch1][C][=O][N][C@@H1][C@@H1][Branch1][C][O][C@H1][Branch2][Branch1][=C][O][C@@H1][O][C@H1][Branch2][Ring2][#Branch2][C][O][C@][Branch1][=Branch1][C][=Branch1][C][=O][O][C][C@H1][Branch1][C][O][C@@H1][Branch1][#Branch1][N][C][Branch1][C][C][=O][C@H1][Branch1][O][C@H1][Branch1][C][O][C@H1][Branch1][C][O][C][O][O][Ring2][Ring1][Ring2][C@H1][Branch1][C][O][C@H1][Branch1][C][O][C@H1][Ring2][Ring1][=C][O][C@@H1][Branch1][O][C][O][S][=Branch1][C][=O][=Branch1][C][=O][O][O][C@H1][Ring2][Ring2][=N][O]

The molecule is a linear amino trisaccharide consisting of a sialyl residue linked (2->6) to a galactosyl residue that in turn is linked (1->4) to an O-6-sulfated glucosaminyl residue at the reducing end. It has a role as an epitope. It is an amino trisaccharide, a glucosamine oligosaccharide and an oligosaccharide sulfate.

SMILES: CC(=O)NC1C(O)OC(COS(=O)(=O)O)C(OC2OC(COC3(C(=O)O)CC(O)C(NC(C)=O)C(C(O)C(O)CO)O3)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][=Branch1][C][=O][N][C@H1][C@H1][Branch2][=Branch2][#Branch2][O][C@@H1][C@H1][Branch2][=Branch1][P][O][C@][Branch1][=Branch1][C][=Branch1][C][=O][O][C][C@H1][Branch1][C][O][C@@H1][Branch1][#Branch1][N][C][Branch1][C][C][=O][C@H1][Branch2][Branch1][C][C@H1][Branch1][C][O][C@@H1][Branch1][Ring1][C][O][O][C@][Branch1][=Branch1][C][=Branch1][C][=O][O][C][C@H1][Branch1][C][O][C@@H1][Branch1][#Branch1][N][C][Branch1][C][C][=O][C@H1][Branch1][O][C@H1][Branch1][C][O][C@H1][Branch1][C][O][C][O][O][Ring2][Ring1][Ring2][O][Ring2][Ring2][Branch2][C@@H1][Branch1][C][O][C@H1][Branch2][Ring1][Branch1][O][C@H1][C@H1][Branch1][C][O][C@@H1][Branch1][C][O][C][Branch1][C][O][O][C@@H1][Ring1][=Branch2][C][O][O][C@@H1][Ring2][Branch1][N][C][O][O][C@H1][Branch1][Ring1][C][O][C@H1][Branch1][C][O][C@@H1][Ring2][=Branch1][Branch2][O]

The molecule is a branched amino pentasaccharide consisting of a linear sequence of two alpha-sialyl residues, a beta-Dgalactosyl residue and an N-acetyl-D-glucosamine residue linked respectively (2->8), (2->8) and (1->4), to the galactosyl residue of which is also linked (1->4) an N-acetyl-beta-D-glucosaminyl residue. It is the carbohydrate portion of ganglioside GD2 with undefined anomeric stereochemistry at the reducing-end galactose residue. It has a role as an epitope. It is an amino oligosaccharide and an amino pentasaccharide.

SMILES: CC(=O)NC1C(OC2C(CO)OC(OC3C(CO)OC(O)C(O)C3O)C(O)C2OC2(C(=O)O)CC(O)C(NC(C)=O)C(C(O)C(CO)OC3(C(=O)O)CC(O)C(NC(C)=O)C(C(O)C(O)CO)O3)O2)OC(CO)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][C][C][C][C@H1][Branch1][C][N][C][=Branch1][C][=O][N][C@@H1][Branch1][#Branch1][C][C][=Branch1][C][=O][O][C][=Branch1][C][=O][N][C@@H1][Branch1][=N][C][C][=C][C][=C][Branch1][C][O][C][=C][Ring1][#Branch1][C][=Branch1][C][=O][O]

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

SMILES: NCCCCC(N)C(=O)NC(CC(=O)O)C(=O)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@@H1][Branch1][C][C][C@@H1][Branch1][C][C][O][C][=Branch1][C][=O][C][C@H1][Branch1][N][C][=C][C][=C][Branch1][C][O][C][=C][Ring1][#Branch1][N][C][=Branch1][C][=O][C@@H1][Branch1][#C][C][C][=C][NH1][C][=C][C][=C][C][=C][Ring1][=Branch2][Ring1][=Branch1][N][Branch1][C][C][C][=Branch1][C][=O][C@H1][Branch1][C][C][N][C][=Branch1][C][=O][C@@H1][Branch1][C][C][C][Ring2][Ring2][N]

The molecule is a chondramide formally obtained from N-[(2S,4E,6R,7R)-7-hydroxy-2,4,6-trimethyloct-4-enoyl]-L-alanyl-Nalpha-methyl-D-tryptophanyl-beta-R-beta-tyrosine by intramolecular condensation of the alcoholic hydroxy group with the carboxy group of the beta-tyrosine residue. It is produced by strains of the myxobacterium, Chondromyces crocatus. It has a role as a bacterial metabolite and an antineoplastic agent. It is a chondramide, a member of indoles and a member of phenols.

SMILES: CC1=CC(C)C(C)OC(=O)CC(c2ccc(O)cc2)NC(=O)C(Cc2c[nH]c3ccccc23)N(C)C(=O)C(C)NC(=O)C(C)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>

[O][=C][Branch1][C][O-1][C][C][=C][C][=C][Branch1][C][O][C][Branch1][C][O][=C][Ring1][Branch2]

The molecule is a dihydroxy monocarboxylic acid anion that is the conjugate base of (3,4-dihydroxyphenyl)acetic acid, arising from deprotonation of the carboxy group. It has a role as a human metabolite. It derives from a phenylacetate. It is a conjugate base of a (3,4-dihydroxyphenyl)acetic acid.

SMILES: O=C([O-])Cc1ccc(O)c(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][=C][C@H1][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][O][C][=C][Branch1][#Branch1][C][=Branch1][C][=O][O][C][C@H1][Ring2][Ring1][=Branch1][C][C@@H1][N][C][C][C][=C][C][Branch1][C][O][=C][Branch1][C][O][C][=C][Ring1][Branch2][Ring1][N]

The molecule is isoipecoside in which the acetyl group attaced to the nitrogen is replaced by hydrogen. It is an isoquinoline alkaloid, a beta-D-glucoside, a member of isoquinolines and a methyl ester. It is a conjugate base of a deacetylisoipecoside(1+).

SMILES: C=CC1C(OC2OC(CO)C(O)C(O)C2O)OC=C(C(=O)OC)C1CC1NCCc2cc(O)c(O)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][=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-1][O][P][=Branch1][C][=O][Branch1][C][O-1][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-1][O-1]

The molecule is a 2,3-trans-enoyl CoA(4-) arising from deprotonation of the phosphate and diphosphate functions of (2E,6Z,9Z,12Z,15Z,18Z,21Z)-tetracosaheptaenoyl-CoA; major species at pH 7.3. It is a conjugate base of a (2E,6Z,9Z,12Z,15Z,18Z,21Z)-tetracosaheptaenoyl-CoA.

SMILES: CCC=CCC=CCC=CCC=CCC=CCC=CCCC=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>

[O][=C][C][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][Branch1][N][C][=C][C][=C][Branch1][C][O][C][=C][Ring1][#Branch1][O][C][=C][C][Branch1][C][O][=C][C][Branch1][C][O-1][=C][Ring2][Ring1][#C][Ring1][Branch2]

The molecule is an organic anion obtained by selective deprotonation of the 7-hydroxy group of kaempferol 3-O-beta-D-galactoside; major species at pH 7.3. It is a conjugate base of a kaempferol 3-O-beta-D-galactoside.

SMILES: O=c1c(OC2OC(CO)C(O)C(O)C2O)c(-c2ccc(O)cc2)oc2cc(O)cc([O-])c12
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][C][C][NH1+1][C][C][O][C][C][Ring1][=Branch1]

The molecule is a Good's buffer substance, pKa = 6.15 at 20 ℃. It is a zwitterion and a MES. It is a conjugate acid of a 2-(N-morpholino)ethanesulfonate. It is a tautomer of a 2-(N-morpholino)ethanesulfonic acid.

SMILES: O=S(=O)([O-])CC[NH+]1CCOCC1
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][Branch1][C][O][C@H1][Branch1][C][O][C@@H1][Branch1][C][O][C@H1][Ring1][=Branch2][O]

The molecule is d-Galactopyranose having alpha-configuration at the anomeric centre. It has a role as a mouse metabolite. It is an enantiomer of an alpha-L-galactose.

SMILES: OCC1OC(O)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@H1][Branch1][C][C][C@H1][Branch1][C][N][C][=Branch1][C][=O][N][C@@H1][Branch1][C][C][C][=Branch1][C][=O][N][C@@H1][Branch1][#Branch2][C][C][C][N][=C][Branch1][C][N][N][C][=Branch1][C][=O][N][C@@H1][Branch1][#Branch2][C][C][C][N][=C][Branch1][C][N][N][C][=Branch1][C][=O][N][C@@H1][Branch1][=Branch2][C][C][=C][N][=C][NH1][Ring1][Branch1][C][=Branch1][C][=O][N][C][C][C][C@H1][Ring1][Branch1][C][=Branch1][C][=O][N][C@@H1][Branch1][=N][C][C][=C][C][=C][Branch1][C][O][C][=C][Ring1][#Branch1][C][=Branch1][C][=O][N][C@@H1][Branch1][#Branch2][C][C][=C][C][=C][C][=C][Ring1][=Branch1][C][=Branch1][C][=O][O]

The molecule is an 8 amino acid oligopeptide fragment of kinetensin lacking the C-terminal L-leucine residue. It has a role as a histamine releasing agent and a human metabolite. It is a conjugate base of a kinetensin (1-8)(2+).

SMILES: CCC(C)C(N)C(=O)NC(C)C(=O)NC(CCCN=C(N)N)C(=O)NC(CCCN=C(N)N)C(=O)NC(Cc1cnc[nH]1)C(=O)N1CCCC1C(=O)NC(Cc1ccc(O)cc1)C(=O)NC(Cc1ccccc1)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][N+1][Branch1][C][C][Branch1][C][C][C][C][C][C][Branch1][C][O][C@H1][Branch1][C][N][C][=Branch1][C][=O][O]

The molecule is the 3-hydroxy derivative of N(6),N(6),N(6)-trimethyl-L-lysine It has a role as a human metabolite and a mouse metabolite. It is a quaternary ammonium ion and a N(6),N(6),N(6)-trimethyl-L-lysine. It is a tautomer of a 3-hydroxy-N(6),N(6),N(6)-trimethyl-L-lysine zwitterion.

SMILES: C[N+](C)(C)CCCC(O)C(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][C@@H1][O][C@@H1][Branch2][Ring1][Branch1][O][C@H1][C@H1][Branch1][C][O][C@@H1][Branch1][C][O][C@@H1][Branch1][C][O][O][C@@H1][Ring1][=Branch2][C][O][C@@H1][Branch1][C][O][C@H1][Branch1][C][O][C@@H1][Ring2][Ring1][Ring2][O]

The molecule is a glycosylglucose that is alpha-D-glucopyranose in which the hydroxy group at position 4 has been glycosylated by an alpha-L-fucopyranosyl group. It is a glycoside and a glycosylglucose. It derives from an alpha-L-fucose and an alpha-D-glucose.

SMILES: CC1OC(OC2C(CO)OC(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][Branch1][C][C][C][C][C][C@@H1][Branch1][C][C][C@H1][C][C][C@H1][C][=C][C][C@H1][C][C@@H1][Branch1][C][O][C][C][C@][Ring1][#Branch1][Branch1][C][C][C@H1][Ring1][N][C][C][C@][Ring2][Ring1][Ring1][Ring1][S][C]

The molecule is a cholestanoid that is (5alpha)-cholest-7-ene substituted by a beta-hydroxy group at position 3. It has a role as a human metabolite and a mouse metabolite. It is a 3beta-sterol, a cholestanoid, a C27-steroid and a Delta(7)-sterol.

SMILES: CC(C)CCCC(C)C1CCC2C3=CCC4CC(O)CCC4(C)C3CCC21C