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

The molecule is a guaiane sesquiterpenoid that is guaia-10(15),11-diene substituted by a alpha-hydroperoxy group at position 1. Isolated from Pogostemon cablin, it exhibits trypanocidal activity. It has a role as a metabolite and a trypanocidal drug. It is a guaiane sesquiterpenoid and a peroxol.

SMILES: C=C(C)C1CCC(=C)C2(OO)CCC(C)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][=Branch1][C][=O][C][=Branch1][C][=O][C@@H1][Branch1][C][O][C][O]

The molecule is pentane substituted at the 2- and 3-positions by oxo groups, at the 4- and 5-positions by hydroxy groups and with S stereoconfiguration at C-4. It has a role as an Escherichia coli metabolite. It is an alpha-diketone and a secondary alpha-hydroxy ketone.

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

The molecule is an N-(1-benzylpyrrolidin-3-yl)-5,6-dimethylthieno[2,3-d]pyrimidin-4-amine in which the chiral centre has R configuration. Both enantiomers act as fatty acid synthase inhibitors, although the (S)-enantiomer was found to be more than 4 times as active as the (R)-enantiomer. It has a role as a fatty acid synthesis inhibitor and an EC 2.3.1.85 (fatty acid synthase) inhibitor. It is an enantiomer of a (S)-Fasnall.

SMILES: Cc1sc2ncnc(NC3CCN(Cc4ccccc4)C3)c2c1C
You are a professional chemist. Your task is to generate a natural, concise, and chemically accurate description of a given molecule.

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

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

[C][O][C][=C][C][=C][C][Branch2][Ring1][Ring1][C][C@@H1][N][C][=Branch1][C][=O][C@@H1][C][C][C][N][Ring1][Branch1][C][Ring1][#Branch2][=O][=C][Branch1][O][C][=Branch1][C][=O][C][=C][Branch1][C][C][C][NH1][C][Ring2][Ring1][#Branch1][=C][Ring2][Ring1][O]

The molecule is an indole alkaloid that is tryprostatin A substituted by an oxo substituent at position 18. Isolated from Aspergillus sydowii, it exhibits cytotoxicity. It has a role as an antineoplastic agent and an Aspergillus metabolite. It is an indole alkaloid, a member of indoles, a pyrrolopyrazine, a dipeptide, an aromatic ether, an enone and an aromatic ketone. It derives from a brevianamide F.

SMILES: COc1ccc2c(CC3NC(=O)C4CCCN4C3=O)c(C(=O)C=C(C)C)[nH]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>

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

The molecule is a 2,5,7-trihydroxy-2-(4-hydroxyphenyl)-2,3-dihydro-4H-chromen-4-one that has (R) configuration. It has a role as a plant metabolite. It derives from a (R)-naringenin. It is an enantiomer of a (2S)-2-hydroxynaringenin.

SMILES: O=C1CC(O)(c2ccc(O)cc2)Oc2cc(O)cc(O)c21
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][Ring1][Branch1][N][C][=C][C][=C][Branch1][=Branch2][C][Branch1][C][F][Branch1][C][F][F][C][=C][Ring1][#Branch2][Cl][C][=Branch1][C][=O][O][C][Branch1][Ring1][C][#N][C][=C][C][=C][C][Branch1][#Branch2][O][C][=C][C][=C][C][=C][Ring1][=Branch1][=C][Ring1][=N]

The molecule is the (2R) diastereomers of fluvalinate. A synthetic pyrethroid insecticide, it is used to control varroa mites in honey bee colonies. It has a role as a pyrethroid ester insecticide and a pyrethroid ester acaricide.

SMILES: CC(C)C(Nc1ccc(C(F)(F)F)cc1Cl)C(=O)OC(C#N)c1cccc(Oc2ccccc2)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][Branch1][C][C][C][C@@H1][Branch1][C][N][C][=Branch1][C][=O][O]

The molecule is the D-enantiomer of leucine. It has a role as a bacterial metabolite and a Saccharomyces cerevisiae metabolite. It is a leucine and a D-alpha-amino acid. It is a conjugate base of a D-leucinium. It is a conjugate acid of a D-leucinate. It is an enantiomer of a L-leucine. It is a tautomer of a D-leucine zwitterion.

SMILES: CC(C)CC(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][O][C][C][O][C@@H1][Branch1][C][C][C][O][C@H1][Branch1][C][C][C][O][C@H1][Branch1][C][C][C][O][C@H1][Branch1][C][C][C][O][C@@H1][Branch1][C][C][C][O][C@@H1][Branch1][C][C][C][O][C@H1][Branch1][C][C][C][O][C@H1][Branch1][C][C][C][O][C][C@H1][Branch1][C][C][N]

The molecule is a polyether composed of eight propylene glycol units capped at both ends by methoxyethyl and 2-aminopropyl groups (PBD entry:1NGX). It has a role as an epitope.

SMILES: COCCOC(C)COC(C)COC(C)COC(C)COC(C)COC(C)COC(C)COC(C)COCC(C)N
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][C][=Branch1][C][=O][O]

The molecule is a dicarboxylic acid monoamide that is formally derived from glutaric acid by conversion of one of the two carboxylic acid groups to the corresponding amide. It derives from a glutaric acid. It is a conjugate acid of a glutaramate.

SMILES: NC(=O)CCCC(=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][Branch1][C][O][C][Branch1][C][O][=C][Ring1][Branch2]

The molecule is a phenylacetaldehyde in which the 3 and 4 positions of the phenyl group are substituted by hydroxy groups. It has a role as a human metabolite, an Escherichia coli metabolite and a mouse metabolite. It is a member of catechols, an alpha-CH2-containing aldehyde and a member of phenylacetaldehydes.

SMILES: O=CCc1ccc(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][S][C][C@H1][O][C][Branch1][C][O][C@H1][Branch1][C][O][C@@H1][Ring1][#Branch1][O]

The molecule is a thioribose consisting of D-ribofuranose in which the hydroxy group at position 3 is replaced by a methylthio group. It is a thioribose and a methyl sulfide. It derives from a D-ribose.

SMILES: CSCC1OC(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][=C][C][=C][Branch1][P][S][=Branch1][C][=O][=Branch1][C][=O][N][C][=N][C][=C][C][=N][Ring1][=Branch1][C][=C][Ring1][S]

The molecule is a sulfonamide consisting of pyrimidine with a 4-aminobenzenesulfonamido group at the 2-position. It has a role as an antimicrobial agent, an antiinfective agent, a coccidiostat, an antiprotozoal drug, an EC 2.5.1.15 (dihydropteroate synthase) inhibitor, an EC 1.1.1.153 [sepiapterin reductase (L-erythro-7,8-dihydrobiopterin forming)] inhibitor, a xenobiotic, an environmental contaminant and a drug allergen. It is a member of pyrimidines, a sulfonamide, a substituted aniline and a sulfonamide antibiotic. It derives from a sulfanilamide. It is a conjugate acid of a sulfadiazinate.

SMILES: Nc1ccc(S(=O)(=O)Nc2ncccn2)cc1
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][S][C][C][=C][C][=C][Branch1][C][O][C][Branch1][C][O][=C][Ring1][Branch2][O][C@H1][C@H1][Branch2][Ring1][C][O][C][C][C][=C][C][=C][Branch1][C][O][C][Branch1][C][O][=C][Ring1][Branch2][O][C@H1][Branch1][Ring1][C][O][C@@H1][Branch1][C][O][C@@H1][Ring2][Ring1][Ring2][O]

The molecule is a beta-D-glucoside with 2-(3,4-dihydroxyphenyl)ethoxy residue at the anomeric position and a [(3,4-dihydroxyphenyl)acetyl]oxy residue at position 2. Isolated from Ternstroemia japonica, it exhibits antioxidant activity. It has a role as a metabolite and an antioxidant. It is a phenylethanoid, a member of catechols, a monosaccharide derivative, a beta-D-glucoside and a carboxylic ester.

SMILES: O=C(Cc1ccc(O)c(O)c1)OC1C(OCCc2ccc(O)c(O)c2)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>

[O][=Mn][=Branch1][C][=O][Branch1][C][O-1][O]

The molecule is a manganese oxoanion that consists of manganic acid where one of the two OH groups has been deprotonated. It is a manganese oxoanion and a monovalent inorganic anion. It is a conjugate base of a manganic acid. It is a conjugate acid of a manganate.

SMILES: O=[Mn](=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][=C][C][Branch1][Ring2][/C][=N][/O][=N][C][Branch1][=Branch2][C][=C][C][=C][C][=N][Ring1][=Branch1][=C][Ring1][#C]

The molecule is a pyridine alkaloid that is 2,2'-bipyridine substituted by a methoxy group at position 4 and a (E)-(hydroxyimino)methyl group at position 6. Isolated from the marine-derived actinomycete Actinoalloteichus cyanogriseus, it exhibits antineoplastic activity. It has a role as an antineoplastic agent, a marine metabolite and a bacterial metabolite. It is an aldoxime, an aromatic ether, a member of bipyridines and a pyridine alkaloid. It derives from a hydride of a 2,2'-bipyridine.

SMILES: COc1cc(C=NO)nc(-c2ccccn2)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][Branch2][Ring1][Ring1][/C][=C][/C][=C][\C][/C][=C][\C][/C][=C][\C][C][C][C][=Branch1][C][=O][O-1][O][O]

The molecule is a HPETE anion that is the conjugate base of 15-HPETE arising from deprotonation of the carboxylic acid group; major species at pH 7.3. It has a role as a human xenobiotic metabolite. It is a conjugate base of a 15-HPETE.

SMILES: CCCCCC(C=CC=CCC=CCC=CCCCC(=O)[O-])OO
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][=Branch1][C][=O][C][=Branch1][C][=O][O]

The molecule is an oxopentanoic acid carrying an oxo group at position 2. It has a role as a human metabolite. It is a 2-oxo monocarboxylic acid and an oxopentanoic acid. It is a conjugate acid of a 2-oxopentanoate.

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

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

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

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

The molecule is a methyl-branched fatty acid that is tetracosanoic acid (lignoceric acid) substituted by a methyl group at position 22. It is a branched-chain saturated fatty acid, a methyl-branched fatty acid and a very long-chain fatty acid. It derives from a tetracosanoic acid.

SMILES: CCC(C)CCCCCCCCCCCCCCCCCCCCC(=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>

[NH3+1][C@@H1][Branch2][Ring1][#Branch2][C][C][C][=Branch1][C][=O][N][C@@H1][Branch1][Branch1][C][S][C][Cl][C][=Branch1][C][=O][N][C][C][=Branch1][C][=O][O-1][C][=Branch1][C][=O][O-1]

The molecule is a peptide anion obtained by deprotonation of both carboxy groups and protonation of the glutamyl amino group of S-(chloromethyl)glutathione; major species at pH 7.3. It is a conjugate base of a S-(chloromethyl)glutathione.

SMILES: [NH3+]C(CCC(=O)NC(CSCCl)C(=O)NCC(=O)[O-])C(=O)[O-]