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][C][=C][Branch1][#C][C][=C][N][=C][C][=C][C][=C][C][Ring1][=Branch1][=C][Ring1][#Branch2][C][=C][C][Branch2][Ring1][Branch1][C][=Branch1][C][=O][N][C][=C][C][=C][Branch1][=Branch1][C][=Branch1][C][=O][O][C][=C][Ring1][=Branch2][=C][C][=C][Ring2][Ring1][C][Ring2][Ring1][P]

The molecule is a carboxamide resulting from the formal condensation of the carboxy group of 5,5-dimethyl-8-(quinolin-3-yl)-5,6-dihydronaphthalene-2-carboxylic acid with the amino group of p-aminobenzoic acid. It is a neutral retinoic acid receptor (RAR) alpha-selective antagonist (Ki = 2.5 nM). It displays no significant effect on nuclear receptor corepressor (NCoR) binding; moderately decreases SMRT binding to RAR. It antagonizes agonist-induced coactivator (CoA) recruitment. It has a role as a retinoic acid receptor alpha antagonist. It is a member of quinolines, a member of benzoic acids and a secondary carboxamide.

SMILES: CC1(C)CC=C(c2cnc3ccccc3c2)c2cc(C(=O)Nc3ccc(C(=O)O)cc3)ccc21
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][=N][C][=C][Ring1][=Branch1][N][=C][N][Ring1][Branch1][C@@H1][O][C@H1][Branch2][Ring1][O][C][O][P][=Branch1][C][=O][Branch1][C][O-1][O][P][=Branch1][C][=O][Branch1][C][O-1][O][P][=Branch1][C][=O][Branch1][C][O-1][O][C@@H1][Branch1][C][O][C@H1][Ring2][Ring1][Ring2][O]

The molecule is trianion of inosine 5'-triphosphate arising from deprotonation of three of the four free OH groups of the triphosphate. It has a role as a human metabolite. It is a conjugate base of an ITP.

SMILES: O=c1[nH]cnc2c1ncn2C1OC(COP(=O)([O-])OP(=O)([O-])OP(=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>

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

The molecule is the omega-hydroxy fatty acid obtained by hydroxylation at position 26 of hexacosanoic acid. It has a role as a metabolite. It is an omega-hydroxy fatty acid and a very long-chain fatty acid. It derives from a hexacosanoic acid. It is a conjugate acid of a 26-hydroxyhexacosanoate.

SMILES: O=C(O)CCCCCCCCCCCCCCCCCCCCCCCCCO
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][=Branch1][C][=O][O]

The molecule is a straight-chain saturated fatty acid that is heptane in which one of the hydrogens of a terminal methyl group has been replaced by a carboxy group. Octanoic acid is also known as caprylic acid. It has a role as an antibacterial agent, a human metabolite and an Escherichia coli metabolite. It is a straight-chain saturated fatty acid and a medium-chain fatty acid. It is a conjugate acid of an octanoate.

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

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

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

[C][C][C][C][C][C][C][C][/C][=C][\C][C][C][C][C][C][C][C][O][C][C][=Branch1][C][=O][C][O][P][=Branch1][C][=O][Branch1][C][O][O]

The molecule is a 1-alkylglycerone 3-phosphate in which the alkyl group is specified as oleyl It is a conjugate acid of a 1-oleylglycerone 3-phosphate(2-).

SMILES: CCCCCCCCC=CCCCCCCCCOCC(=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@@H1][Branch1][C][O][C@H1][Branch1][C][O][C][/C][=C][\C][/C][=C][\C][/C][=C][\C][C][C][C][=Branch1][C][=O][O-1]

The molecule is a (5Z,8Z,11Z)-14,15-dihydroxyicosatrienoate obtained by deprotonation of the carboxy group of (5Z,8Z,11Z,14R,15R)-14,15-dihydroxyicosatrienoic acid; major species at pH 7.3. It is a conjugate base of a (5Z,8Z,11Z,14R,15R)-14,15-dihydroxyicosatrienoic acid. It is an enantiomer of a (5Z,8Z,11Z,14S,15S)-14,15-dihydroxyicosatrienoate.

SMILES: CCCCCC(O)C(O)CC=CCC=CCC=CCCCC(=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][Branch2][Ring1][N][O][C@H1][C][N+1][Branch1][=N][C][C][C][O][C][=C][C][=C][C][=C][Ring1][=Branch1][C][C][C][Ring1][S][C][C][Ring1][S][C][Branch1][C][O][Branch1][Branch2][C][=C][C][=C][S][Ring1][Branch1][C][=C][C][=C][S][Ring1][Branch1]

The molecule is a carboxylic ester obtained by formal condensation between the carboxy group of 2-hydroxy(di-2-thienyl)acetic acid and the hydroxy group of N-(3-phenoxypropyl)-3-quinuclidinol. Used as its bromide salt for the long-term maintenance treatment of bronchospasm associated with chronic obstructive pulmonary disease (COPD). It has a role as a bronchodilator agent and a muscarinic antagonist. It is a quaternary ammonium ion, a carboxylic ester, a member of thiophenes and an aromatic ether. It derives from a 3-quinuclidinol.

SMILES: O=C(OC1C[N+]2(CCCOc3ccccc3)CCC1CC2)C(O)(c1cccs1)c1cccs1
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][Branch1][C][O][C][=C][Ring1][#Branch1]

The molecule is a hydroxybenzaldehyde that is benzaldehyde substituted with a hydroxy group at position C-4. It has a role as a plant metabolite, a mouse metabolite and an EC 1.14.17.1 (dopamine beta-monooxygenase) inhibitor.

SMILES: O=Cc1ccc(O)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>

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

The molecule is an 5-[2-cyclopropyl-1-(2-fluorophenyl)-2-oxoethyl]-4,5,6,7-tetrahydrothieno[3,2-c]pyridin-2-yl acetate that is the (S)-enantiomer of prasugrel (the racemate is a cardiovascular drug). It is a conjugate base of a (S)-prasugrel(1+). It is an enantiomer of a (R)-prasugrel.

SMILES: CC(=O)Oc1cc2c(s1)CCN(C(C(=O)C1CC1)c1ccccc1F)C2
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@H1][Branch1][C][N][C][C][=Branch1][C][=O][N][C@@H1][C@H1][Branch1][C][O][C@@H1][Branch1][#Branch1][O][C][Branch1][C][N][=O][C@@H1][Branch1][Ring1][C][O][O][C@H1][Ring1][=N][N][C][=N][C@H1][Branch1][=Branch1][C][=Branch1][C][=O][O][C@@H1][Branch1][#Branch1][C@H1][Branch1][C][O][C][N][N][Ring1][N]

The molecule is any delta-amino acid obtained by the formal hydrolysis of the lactam group of a streptothricin. It is a delta-amino acid, a N-glycosyl compound, a member of guanidines, a carbamate ester and a carboxamide.

SMILES: NCCCC(N)CC(=O)NC1C(NC2=NC(C(=O)O)C(C(O)CN)N2)OC(CO)C(OC(N)=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][=Branch1][C][=O][N][C][=C][C][=C][Branch1][=Branch1][N+1][=Branch1][C][=O][O-1][C][=C][Ring1][=Branch2]

The molecule is a beta-alanine derivative that is the amide obtained by formal condensation of the carboxy group of beta-alanine with the amino group of 4-nitroaniline. It is a beta-alanine derivative, a monocarboxylic acid amide and a C-nitro compound. It derives from a 4-nitroaniline.

SMILES: NCCC(=O)Nc1ccc([N+](=O)[O-])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>

[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][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 polyunsaturated fatty acyl-CoA(4-) obtained by deprotonation of the phosphate and diphosphate OH groups of (11Z,14Z,17Z,20Z)-hexacosatetraenoyl-CoA. It is a polyunsaturated fatty acyl-CoA(4-), an (11Z)-Delta(11)-fatty acyl-CoA(4-), a very long-chain acyl-CoA(4-) and a 3-substituted propionyl-CoA(4-). It is a conjugate base of an (11Z,14Z,17Z,20Z)-hexacosatetraenoyl-CoA.

SMILES: CCCCCC=CCC=CCC=CCC=CCCCCCCCCCC(=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][N][C][=C][C][=C][C][Branch2][Ring1][C][O][C][=Branch1][C][=O][N][C][=C][C][=C][C][Branch1][C][C][=C][Ring1][#Branch1][=C][Ring1][P]

The molecule is a carbamate ester that is (3-methylphenyl)carbamic acid in which the hydrogen of the hydroxy group has been replaced by a 3-[(methoxycarbonyl)amino]phenyl group. It has a role as an environmental contaminant, a xenobiotic and a herbicide.

SMILES: COC(=O)Nc1cccc(OC(=O)Nc2cccc(C)c2)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>

[N][C][=C][C][=C][C][=C][Ring1][=Branch1][C][C][=Branch1][C][=O][O]

The molecule is a member of the class of phenylacetic acids that is phenylacetic acid which carries an amino group at position 2 of the phenyl ring. A fungal metabolite produced by Colletotrichum gloeosporioides. It has a role as a fungal metabolite. It is a substituted aniline and a member of phenylacetic acids.

SMILES: Nc1ccccc1CC(=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][C][C][C][C@H1][Branch1][C][NH3+1][C][=Branch1][C][=O][O-1]

The molecule is an L-alpha-amino acid zwitterion obtained by transfer of a proton from the carboxy to the amino group of L-lysine; major species at pH 7.3. It has a role as a human metabolite. It is a conjugate base of a L-lysinium(1+). It is a tautomer of a L-lysine.

SMILES: NCCCCC([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>

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

The molecule is a triglyceride having stearoyl (octadecanoyl) groups at positions 1 and 3 and a palmitoyl (hexadecanoyl) group at position 2. It is a metabolite of the nematode Caenorhabditis elegans. It has a role as a Caenorhabditis elegans metabolite.

SMILES: CCCCCCCCCCCCCCCCCC(=O)OCC(COC(=O)CCCCCCCCCCCCCCCCC)OC(=O)CCCCCCCCCCCCCCC
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][Branch1][Ring1][C][O][C][=Branch1][C][=O][C][=Branch1][C][=O][O-1]

The molecule is a 2-oxo monocarboxylic acid anion that results from the removal of a proton from the carboxylic acid group of 2-dehydropantoic acid. It has a role as a Saccharomyces cerevisiae metabolite. It is a conjugate base of a 2-dehydropantoic acid.

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

The molecule is a beta-D-galactoside that is the 4-methoxyphenyl glycoside of a disaccharide consisting of a 3-O-sulfo-beta-D-glucuronic acid residue linked (1->3) to beta-D-galactose. It is a beta-D-galactoside and a disaccharide derivative. It is a conjugate acid of a beta-D-GlcA3S-(1->3)-beta-D-Gal-OC6H4-4-OMe(2-).

SMILES: COc1ccc(OC2OC(CO)C(O)C(OC3OC(C(=O)O)C(O)C(OS(=O)(=O)O)C3O)C2O)cc1