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

The molecule is a carbotricyclic compound that is funalenone in which the methoxy group at position 2 has been demethylated to the corresponding hydroxy derivative. It is a carbotricyclic compound, a member of phenols and an enone. It is a conjugate acid of a 2,3,4,7,9-pentahydroxy-6-methyl-1H-phenalen-1-one(1-). It derives from a hydride of a phenalene.

SMILES: CC1=CC(=O)c2c(O)c(O)c(O)c3c(O)cc(O)c1c23
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][NH1+1][C][C][C][=C][Branch1][N][NH1][C][=C][C][=C][C][=C][Ring1][=Branch2][Ring1][=Branch1][C@H1][Branch1][#Branch1][C][=Branch1][C][=O][O][C][C@H1][Ring2][Ring1][Ring2][C][C][Ring2][Ring1][Ring2]

The molecule is an ammonium ion resulting from the protonation of the tertiary amino group of (16R)-deshydroxymethyl-stemmadenine. It is a conjugate acid of a (16R)-deshydroxymethyl-stemmadenine.

SMILES: CC=C1C[NH+]2CCc3c([nH]c4ccccc34)C(C(=O)OC)C1CC2
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][N][C][=C][C][=C][Branch1][P][C][=C][Ring1][=Branch1][C][Branch1][C][C][=C][C][Ring1][O][Branch1][C][C][C][/C][=Branch2][Branch1][=Branch1][=C][/C][=C][/C][=C][/C][=N+1][Branch1][N][C][C][C][S][=Branch1][C][=O][=Branch1][C][=O][O-1][C][=C][C][=C][Branch1][=Branch2][S][=Branch1][C][=O][=Branch1][C][=O][O-1][C][=C][Ring1][#Branch2][C][Ring2][Ring1][Ring2][Branch1][C][C][C][C][C][C][=Branch1][C][=O][O][C][=C][Branch1][=Branch2][C][Branch1][C][C][Branch1][C][C][C][O][Ring2][Branch1][C]

The molecule is an anionic C5 cyanine-type compound having indoleinine and dihydropyrano[3,2-g]quinolinium substituents at either end. It has a role as a fluorochrome.

SMILES: CCN1c2cc3c(cc2C(C)=CC1(C)C)C(=CC=CC=CC1=[N+](CCCS(=O)(=O)[O-])c2ccc(S(=O)(=O)[O-])cc2C1(C)CCCC(=O)O)C=C(C(C)(C)C)O3
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@H1][Branch1][C][N][C][=Branch1][C][=O][O]

The molecule is an optically active form of glutamine having L-configuration. It has a role as an EC 1.14.13.39 (nitric oxide synthase) inhibitor, a nutraceutical, a micronutrient, a human metabolite, a Saccharomyces cerevisiae metabolite, an Escherichia coli metabolite and a mouse metabolite. It is a glutamine family amino acid, a proteinogenic amino acid, a glutamine and a L-alpha-amino acid. It is a conjugate base of a L-glutaminium. It is a conjugate acid of a L-glutaminate. It is an enantiomer of a D-glutamine. It is a tautomer of a L-glutamine zwitterion.

SMILES: NC(=O)CCC(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][C][C][C][C@][Branch1][C][C][Branch1][C][O][/C][=C][/C@@H1][C@@H1][Branch1][N][C][/C][=C][\C][C][C][C][=Branch1][C][=O][O][C@@H1][Branch1][C][O][C][C@@H1][Ring1][#C][O]

The molecule is prostaglandin F2alpha in which the hydrogen at position 15 is substituted by methyl (S configuration). It is used as an abortifacient agent that is effective in both the first and second trimesters of pregnancy. It has a role as an oxytocic and an abortifacient. It derives from a prostaglandin F2alpha. It is a conjugate acid of a carboprost(1-).

SMILES: CCCCCC(C)(O)C=CC1C(O)CC(O)C1CC=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>

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

The molecule is a tetracyclic triterpenoid isolated from Dysoxylum lenticellatum. It has a role as a plant metabolite. It is an epoxide, a cyclic terpene ketone, a tetracyclic triterpenoid and a methyl ester.

SMILES: COC(=O)C(CC(=O)C1OC1(C)C)C1CCC2(C)C3=CCC4C(C)(C)C(=O)CCC4(C)C3CCC12C
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][S][C][C][=C][C][=C][Branch1][C][O][C][Branch1][C][Br][=C][Ring1][Branch2][C][=Branch1][C][=O][O]

The molecule is a bromoamino acid comprising an L-tyrosine core with a bromo- substituent ortho to the hydroxy group on the benzene ring. It is a bromoamino acid, a L-tyrosine derivative, a member of bromobenzenes and a non-proteinogenic L-alpha-amino acid.

SMILES: NC(Cc1ccc(O)c(Br)c1)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][C][C][C][C][C][C@][Branch1][C][C][Branch1][C][O][C][=C][C][=C][Branch1][=Branch1][C][=Branch1][C][=O][O][C][=C][Ring1][=Branch2][O]

The molecule is a sesquiterpenoid that is benzoic acid substituted by a hydroxy group at position 3 and a (2S)-2-hydroxy-6-methylheptan-2-yl group at position 4. It has been isolated from the sea fan derived fungus Aspergillus sydowii. It has a role as an Aspergillus metabolite. It is a sesquiterpenoid, a monohydroxybenzoic acid and an aromatic alcohol.

SMILES: CC(C)CCCC(C)(O)c1ccc(C(=O)O)cc1O
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][Branch2][Ring1][#C][C][=Branch1][C][=O][N][C@@H1][C][=Branch1][C][=O][N][C][Branch1][=Branch1][C][=Branch1][C][=O][O-1][=C][Branch1][C][Cl][C][C][C@H1][Ring1][=N][Ring1][#Branch2][C][=C][C][=C][C][=C][Ring1][=Branch1]

The molecule is the conjugate base of loracarbef. It has a role as an allergen. It is a conjugate base of a loracarbef.

SMILES: NC(C(=O)NC1C(=O)N2C(C(=O)[O-])=C(Cl)CCC12)c1ccccc1
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][NH2+1][C@H1][Branch1][#Branch1][C][C][Branch1][C][C][C][C][=Branch1][C][=O][N][C@H1][C][=Branch1][C][=O][N][C@@H1][Branch1][#Branch1][C][C][Branch1][C][N][=O][C][=Branch1][C][=O][N][C@H1][C][=Branch1][C][=O][N][C@H1][C][=Branch1][C][=O][N][C@H1][Branch2][Ring2][Branch2][C][=Branch1][C][=O][N][C@H1][Branch1][=Branch1][C][=Branch1][C][=O][O-1][C][=C][C][Branch1][C][O][=C][C][Branch1][C][O][=C][Ring1][Branch2][C][=C][C][Ring2][Ring1][#Branch1][=C][C][=C][Ring1][=Branch1][O][C@H1][Branch1][C][O][C][=C][C][=C][Branch1][Branch2][C][Branch1][C][Cl][=C][Ring1][#Branch1][O][C][=C][C][Ring2][Ring2][N][=C][C][=Branch2][Ring2][N][=C][Ring1][=Branch1][O][C@@H1][O][C@H1][Branch1][Ring1][C][O][C@@H1][Branch1][C][O][C@H1][Branch1][C][O][C@H1][Ring1][#Branch2][O][C@H1][C][C@][Branch1][C][C][Branch1][C][NH3+1][C@H1][Branch1][C][O][C@H1][Branch1][C][C][O][Ring1][#Branch2][O][C][=C][C][=C][Branch1][=Branch1][C][=C][Ring1][=Branch1][Cl][C@H1][Ring2][#Branch1][#Branch2][O]

The molecule is an organic cation that is the conjugate acid of vancomycin, obtained by deprotonation of the carboxy group and protonation of the two amino functions; major species at pH 7.3. It is a conjugate acid of a vancomycin.

SMILES: C[NH2+]C(CC(C)C)C(=O)NC1C(=O)NC(CC(N)=O)C(=O)NC2C(=O)NC3C(=O)NC(C(=O)NC(C(=O)[O-])c4cc(O)cc(O)c4-c4cc3ccc4O)C(O)c3ccc(c(Cl)c3)Oc3cc2cc(c3OC2OC(CO)C(O)C(O)C2OC2CC(C)([NH3+])C(O)C(C)O2)Oc2ccc(cc2Cl)C1O
You are a professional chemist. Your task is to generate a natural, concise, and chemically accurate description of a given molecule.

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

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

[C][C][C][C][C][C][C][C][C][C][C][C][C][C][C][C][C][C][Branch1][C][O][C][=Branch1][C][=O][N][C@@H1][Branch2][Ring1][Branch1][C][O][P][=Branch1][C][=O][Branch1][C][O-1][O][C][C][N+1][Branch1][C][C][Branch1][C][C][C][C@H1][Branch1][C][O][/C][=C][/C][C][C][C][C][C][C][C][C][C][Branch1][C][C][C]

The molecule is an N-acyl-15-methylhexadecasphing-4-enine-1-phosphocholine in which the acyl group has 19 carbons and 0 double bonds and is 2-hydroxylated. It derives from a 15-methylhexadecasphing-4-enine.

SMILES: CCCCCCCCCCCCCCCCCC(O)C(=O)NC(COP(=O)([O-])OCC[N+](C)(C)C)C(O)C=CCCCCCCCCCC(C)C
You are a professional chemist. Your task is to generate a natural, concise, and chemically accurate description of a given molecule.

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

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

[C][C][=C][Branch2][Ring1][N][C][=Branch1][C][=O][O][C][C][N][Branch1][#Branch2][C][C][=C][C][=C][C][=C][Ring1][=Branch1][C][=C][C][=C][C][=C][Ring1][=Branch1][C@H1][Branch1][S][C][=C][C][=C][C][Branch1][=Branch1][N+1][=Branch1][C][=O][O-1][=C][Ring1][=Branch2][C][Branch2][Ring1][C][P][=Branch1][C][=O][O][C][C][Branch1][C][C][Branch1][C][C][C][O][Ring1][=Branch2][=C][Branch1][C][C][N][Ring2][Ring2][N]

The molecule is a 2-[benzyl(phenyl)amino]ethyl 5-(5,5-dimethyl-2-oxido-1,3,2-dioxaphosphinan-2-yl)-2,6-dimethyl-4-(3-nitrophenyl)-1,4-dihydropyridine-3-carboxylate that has (S)-configuration. It is a blocker of L- and T-type Ca(2+) channels. It has a role as a calcium channel blocker. It is an enantiomer of a (R)-efonidipine.

SMILES: CC1=C(C(=O)OCCN(Cc2ccccc2)c2ccccc2)C(c2cccc([N+](=O)[O-])c2)C(P2(=O)OCC(C)(C)CO2)=C(C)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>

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

The molecule is a cyclodepsipeptide that is (together with pristinamycin IIA) a component of pristinamycin, an oral streptogramin antibiotic produced by Streptomyces pristinaespiralis. Pristinamycin exhibits bactericidal activity against Gram positive organisms including methicillin-resistant Staphylococcus aureus. It has a role as an antibacterial drug, an antimicrobial agent and a bacterial metabolite.

SMILES: CCC1NC(=O)C(NC(=O)c2ncccc2O)C(C)OC(=O)C(c2ccccc2)NC(=O)C2CC(=O)CCN2C(=O)C(Cc2ccc(N(C)C)cc2)N(C)C(=O)C2CCCN2C1=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][C][C@@H1][Branch1][C][O][C][C][=Branch1][C][=O][S][C][C][N][C][=Branch1][C][=O][C][C][N][C][=Branch1][C][=O][C@H1][Branch1][C][O][C][Branch1][C][C][Branch1][C][C][C][O][P][=Branch1][C][=O][Branch1][C][O][O][P][=Branch1][C][=O][Branch1][C][O][O][C][C@H1][O][C@@H1][Branch1][P][N][C][=N][C][=C][Branch1][C][N][N][=C][N][=C][Ring1][#Branch1][Ring1][#Branch2][C@H1][Branch1][C][O][C@@H1][Ring1][S][O][P][=Branch1][C][=O][Branch1][C][O][O]

The molecule is a 3-hydroxy fatty acyl-CoA that results from the formal condensation of the thiol group of coenzyme A with the carboxy group of (3R,7Z,10Z,13Z,16Z)-3-hydroxydocosatetraenoic acid. It is a (R)-3-hydroxyacyl-CoA, a 3-hydroxy fatty acyl-CoA, a long-chain fatty acyl-CoA and an unsaturated fatty acyl-CoA. It is a conjugate acid of a (3R,7Z,10Z,13Z,16Z)-3-hydroxydocosatetraenoyl-CoA(4-).

SMILES: CCCCCC=CCC=CCC=CCC=CCCCC(O)CC(=O)SCCNC(=O)CCNC(=O)C(O)C(C)(C)COP(=O)(O)OP(=O)(O)OCC1OC(n2cnc3c(N)ncnc32)C(O)C1OP(=O)(O)O
You are a professional chemist. Your task is to generate a natural, concise, and chemically accurate description of a given molecule.

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

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

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

The molecule is dianion of 2-oxoadipic acid arising from deprotonation of both carboxylic acid groups. It has a role as a human metabolite and a Saccharomyces cerevisiae metabolite. It is a dicarboxylic acid dianion and an oxo carboxylic acid anion. It is a conjugate base of a 2-oxoadipic acid.

SMILES: O=C([O-])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@@H1][O][C@@H1][Branch2][Ring1][Ring1][O][C][C][C][C][C][C][C][C][C][C][C][C][C][=Branch1][C][=O][O-1][C@H1][Branch1][C][O][C][C@H1][Ring2][Ring1][#Branch1][O]

The molecule is a hydroxy fatty acid ascaroside anion that is the conjugate base of oscr#22, obtained by deprotonation of the carboxy group; major species at pH 7.3. It is a conjugate base of an oscr#22.

SMILES: CC1OC(OCCCCCCCCCCCCC(=O)[O-])C(O)CC1O
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][S][C][=C][C][C][=C][C][=Branch1][C][=O][O][C][Ring1][O][=Ring1][#Branch1][O][Ring1][=C]

The molecule is a furanocoumarin that is 8,9-dihydro-2H-furo[2,3-h][1]benzopyran-2-one carrying a prop-1-en-2-yl substituent at position 8. It has a role as a plant metabolite. It is a furanocoumarin and an olefinic compound.

SMILES: C=C(C)C1Cc2c(ccc3ccc(=O)oc23)O1