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>

[O][=C][Branch1][C][O][C@H1][C][S][C][Branch1][=C][C][=C][NH1][C][=C][C][=C][C][=C][Ring1][=Branch2][Ring1][=Branch1][=N][Ring1][=C]

The molecule is a dihydrocamalexic acid. It is a conjugate acid of a (S)-dihydrocamalexate. It is an enantiomer of a (R)-dihydrocamalexic acid.

SMILES: O=C(O)C1CSC(c2c[nH]c3ccccc23)=N1
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][Branch1][C][O][C][=C][C][=C][C][=C][Ring1][=Branch1][C][Ring1][O][=O]

The molecule is 1,4-Naphthoquinone carrying a hydroxy function at C-2. It is obtained from the leaves of Lawsonia inermis. It has a role as a protective agent and an antifungal agent. It is a tautomer of a naphthalene-1,2,4-trione.

SMILES: O=C1C=C(O)c2ccccc2C1=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>

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

The molecule is a member of the class of condensed ureas that is urea in which one of the amino groups has had one of the attached hydrogens replaced by a carbamoyl group and the second amino group has had one of its hydrogens replaced by a carboxy group. It derives from a urea-1-carboxylic acid and a carbamic acid. It is a conjugate acid of a 1-carboxybiuret(1-).

SMILES: NC(=O)NC(=O)NC(=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>

[36SH2]

The molecule is the stable isotope of sulfur with relative atomic mass 35.9670809. The least abundant (0.02 atom percent) isotope of naturally occurring sulfur.

SMILES: S
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][Branch2][Ring1][Branch2][O][C][=Branch1][C][=O][N][C][C][Branch1][#Branch1][C][C][=Branch1][C][=O][O][C][C][C][C][C][Ring1][#Branch2][O][C][=Branch1][C][=O][C][Branch1][C][C][C]

The molecule is a carbamate ester that is the N-[1-(isobutyryloxy)ethoxy]carbonyl derivative of [1-(aminomethyl)cyclohexyl]acetic acid. The prodrug for gabapentin, used for treatment of neuropathic pain and restless legs syndrome. It has a role as a prodrug, an anticonvulsant and a calcium channel blocker. It is a monocarboxylic acid, a carbamate ester, a carboxylic ester and an acetal. It derives from a gamma-aminobutyric acid and a gabapentin.

SMILES: CC(OC(=O)NCC1(CC(=O)O)CCCCC1)OC(=O)C(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@H1][C@@H1][C][C][C@@H1][Ring1][Branch1][C@H1][Branch1][=C][O][C][=Branch1][C][=O][C][=C][C][=C][C][=C][Ring1][=Branch1][/C][=C][\C][=C][\C][=Branch1][C][=O][O][C@H1][C@@H1][Branch1][C][C][C][C@@H1][C@][Ring1][=Branch1][Branch1][C][O][C@H1][Branch1][C][O][C@@][Branch1][Ring1][C][O][O][C@H1][Ring1][Branch1][C@H1][C@H1][O][C@][Branch1][=Branch2][C][=C][C][=C][C][=C][Ring1][=Branch1][O][C@@H1][Branch1][=C][C@@H1][Branch1][C][C][C@@][Ring1][#C][Ring2][Ring1][=Branch2][O][Ring1][=N][C@@][Ring1][S][Branch1][C][O][C@][Branch1][C][C][Branch1][C][O][C][Ring2][Branch1][=Branch2]

The molecule is a diterpenoid of the class of daphnane-type terpenes. It is isolated from Trigonostemon thyrsoideum and has been shown to exhibit acaricidal activity. It has a role as a metabolite and an acaricide. It is a diterpenoid, an epoxide, an ortho ester, a terpene lactone and a benzoate ester.

SMILES: CC1CC2C3(O)C1OC(=O)C=CC=CC(OC(=O)c1ccccc1)C1CCC(CC(C)(O)C4(O)C5OC6(c7ccccc7)OC4C(C4OC4(CO)C3O)C2(O6)C5C)C1C
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][=Branch1][C][=C][Ring1][=Branch1][O][C@][C][C][C][C@][Branch1][C][C][Branch1][#Branch1][C][O][C@H1][Ring1][=Branch2][O][C@@H1][Ring1][O][C][C][Ring2][Ring1][C]

The molecule is an abietane diterpenoid isolated from the stem bark of Fraxinus sieboldiana. It has a role as a plant metabolite. It is a tetracyclic diterpenoid, an abietane diterpenoid and a cyclic ether.

SMILES: CC(C)c1cc2c(cc1O)C13CCCC(C)(COC1O)C3CC2
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@@H1][Branch1][Branch2][O][C][=Branch1][C][=O][C][O][C@@][Branch1][C][C][Branch1][Ring2][O][Ring1][O][C@@H1][C][C][C@@H1][Branch1][C][C][C@H1][Ring1][=Branch1][C@@H1][Ring2][Ring1][C][O][C][=Branch1][C][=O][/C][=C][/C][=C][C][=C][C][=C][Ring1][=Branch1]

The molecule is a guaiane sesquiterpenoid that is isolated from the bark of Phyllanthus engleri, a plant native to Tanzania and Zimbabwe. It acts as a potent and specific inhibitor of renal cancer cell growth. It has a role as a metabolite and an antineoplastic agent. It is a guaiane sesquiterpenoid, a cinnamate ester and a glycolate ester.

SMILES: CC1CCC2C1C(OC(=O)C=Cc1ccccc1)C1(C(C)C)CC(OC(=O)CO)C2(C)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>

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

The molecule is a monophosphoglyceric acid having the phospho group at the 3-position. It is an intermediate in metabolic pathways like glycolysis and calvin cycle. It has a role as a fundamental metabolite and an algal metabolite. It is a tetronic acid derivative and a monophosphoglyceric acid. It derives from a glyceric acid. It is a conjugate acid of a 3-phosphoglycerate(3-), a 3-phosphoglycerate(2-) and a 3-phosphoglycerate.

SMILES: O=C(O)C(O)COP(=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][C][C][C][C][C][/C][=C][/C][=Branch1][C][=O][O]

The molecule is a monounsaturated fatty acid that is nonanoic acid which has undergone dehydrogenation to introduce a trans double bond at the 2-3 position. It is a medium-chain fatty acid, a monounsaturated fatty acid and an alpha,beta-unsaturated monocarboxylic acid. It derives from an (E)-non-2-en-1-ol. It is a conjugate acid of an (E)-non-2-enoate.

SMILES: CCCCCCC=CC(=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][N][C][C][C][Ring1][=Branch1][C][C][Ring1][=Branch1]

The molecule is quinuclidine in which a hydrogen atom at position 3 is substituted by a hydroxy group. It is a member of quinuclidines, a tertiary amine and a secondary alcohol.

SMILES: OC1CN2CCC1CC2
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][NH1][C][=Branch1][C][=S][C][=C][N][Ring1][#Branch1][C@@H1][O][C@H1][Branch1][Ring1][C][O][C@@H1][Branch1][C][O][C@H1][Ring1][Branch2][O]

The molecule is a thiouridine in which the oxygen replaced by sulfur is that at C-4. It has a role as an affinity label and an antimetabolite. It is a thiouridine and a nucleoside analogue.

SMILES: O=c1[nH]c(=S)ccn1C1OC(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>

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

The molecule is a monomethoxybenzene that is 2-methoxyphenol substituted by a hydroxymethyl group at position 4. It has a role as a plant metabolite. It is a member of guaiacols and a member of benzyl alcohols.

SMILES: COc1cc(CO)ccc1O
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][O][C][C@@H1][Branch1][C][O][C][O]

The molecule is a 1-acyl-sn-glycerol that is the S-enantiomer of 1-monolinolein. It is a 1-monolinolein and a 1-acyl-sn-glycerol. It is an enantiomer of a 3-linoleoyl-sn-glycerol.

SMILES: CCCCCC=CCC=CCCCCCCCC(=O)OCC(O)CO
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][=C][/C][=C][Branch1][P][C][C][C@H1][Branch1][C][O][C@H1][Branch1][C][O][C@H1][Branch1][C][O][C][O][NH1][C][=Branch1][C][=O][NH1][C][Ring1][P][=O]

The molecule is a nucleobase analogue that is uracil substituted with a (1-deoxy-D-ribityl)methyl group at position 6 and a (1E)-3-oxobut-1-en-1-yl group at position 5; one of 20 modifications to the potent microbial riboflavin-based metabolite antigen 5-(2-oxopropylideneamino)-6-D-ribityl aminouracil (5-OP-RU), an activator of mucosal-associated invariant T (MAIT) cells when presented by the MR1 protein (reported in MED:32123373). It has a role as an epitope. It is a nucleobase analogue and a pyrimidone. It derives from a uracil.

SMILES: CC(=O)C=Cc1c(CCC(O)C(O)C(O)CO)[nH]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>

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

The molecule is the O-phospho derivative of glycolic acid. It has a role as an Escherichia coli metabolite and a mouse metabolite. It derives from a glycolic acid. It is a conjugate acid of a 2-phosphonatoglycolate(3-) and a 2-phosphoglycolate.

SMILES: O=C(O)COP(=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>

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

The molecule is the D-enantiomer of phenylalaninate. It is a conjugate base of a D-phenylalanine. It is an enantiomer of a L-phenylalaninate.

SMILES: 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][C][Branch1][Ring1][C][O][C][C][C][C][C][C][C][C][C][C][C][C][C][C][=Branch1][C][=O][O-1]

The molecule is a hydroxy fatty acid anion that is the conjugate base of omega-hydroxy-15-methyl-palmitic acid, obtained by deprotonation of the carboxy group; major species at pH 7.3. It is a branched-chain saturated fatty acid anion, a long-chain fatty acid anion, a methyl-branched fatty acid anion and an omega-hydroxy fatty acid anion. It derives from an isoheptadecanoate. It is a conjugate base of an omega-hydroxy-15-methylpalmitic acid.

SMILES: CC(CO)CCCCCCCCCCCCCC(=O)[O-]