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

The molecule is the R-enantiomer of the racemic drug vedaprofen. The racemate is used for control of pain and inflammation particularly associated with chronic musculoskeletal disorders and soft tissue trauma in dogs and horses and for treatment of pain due to horse colic. It is an enantiomer of a (R)-vedaprofen.

SMILES: CC(C(=O)O)c1ccc(C2CCCCC2)c2ccccc12
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][Ring1][=Branch1][C][C][O][C][=C][C][Branch1][C][O][=C][C][Branch1][C][O][=C][Ring1][Branch2][C][Ring1][N][=O][C][Branch1][C][O][=C][Ring2][Ring1][Ring2]

The molecule is a hydroxyisoflavanone that is isoflavanone substituted by hydroxy groups at positions 5, 7 and 2' and a methoxy group at position 4' respectively. It has a role as a plant metabolite. It is a hydroxyisoflavanone and a methoxyisoflavanone. It derives from an isoflavanone.

SMILES: COc1ccc(C2COc3cc(O)cc(O)c3C2=O)c(O)c1
You are a professional chemist. Your task is to generate a natural, concise, and chemically accurate description of a given molecule.

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

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

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

The molecule is an abietane diterpenoid that is podocarpa-8,11,13-triene substituted by a hydroxy group at position 11, a propan-2-yl group at position 14 and a carboxy group at position 16. It has been isolated from Podocarpus latifolius. It has a role as a metabolite. It is an abietane diterpenoid, a member of phenols and a monocarboxylic acid.

SMILES: CC(C)c1ccc(O)c2c1CCC1C(C)(C(=O)O)CCCC21C
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][Branch1][#Branch1][O][C@@H1][C@@H1][Branch1][C][O][C@H1][Branch2][Ring2][C][O][C][=C][C][=C][Branch2][Ring1][Branch1][C@@H1][C][C][=C][C][=C][C][Branch1][C][O][=C][Ring1][#Branch1][C][=Branch1][C][=O][O][Ring1][N][C][=C][Ring2][Ring1][C][O][C@H1][Branch1][Ring1][C][O][C@H1][Ring2][Ring1][N][O][C@H1][Branch1][C][O][C@H1][Branch1][C][O][C@H1][Ring2][Ring2][=Branch1][O]

The molecule is a member of the class of dihydroisocoumarins that is hydrangenol attached to a 3-O-(6-deoxy-alpha-L-mannopyranosyl)-beta-D-glucopyranosyl residue at position 4' via a glycosidic linkage. It has been isolated from the roots of Scorzonera judaica. It has a role as a metabolite and a plant metabolite. It is a member of dihydroisocoumarins, a disaccharide derivative and a member of phenols. It derives from a hydrangenol.

SMILES: CC1OC(OC2C(O)C(CO)OC(Oc3ccc(C4Cc5cccc(O)c5C(=O)O4)cc3)C2O)C(O)C(O)C1O
You are a professional chemist. Your task is to generate a natural, concise, and chemically accurate description of a given molecule.

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

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

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

The molecule is a member of the class of benzophenones isolated from the stem bark of Allanblackia stuhlmannii and has been shown to exhibit antileishmanial and anticholinesterase activity. It has a role as a metabolite, an apoptosis inducer, an antileishmanial agent and an EC 3.1.1.8 (cholinesterase) inhibitor. It is a member of benzophenones, a polyphenol and a bridged compound.

SMILES: C=C(C)C(CC=C(C)C)CC12CC(CC=C(C)C)C(C)(C)C(CC=C(C)C)(C(=O)C(=C(O)c3ccc(O)c(O)c3)C1=O)C2=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][=O][N][C@H1][C@H1][Branch1][O][C@H1][Branch1][C][O][C@H1][Branch1][C][O][C][O][O][C][Branch1][C][O][Branch1][=Branch1][C][=Branch1][C][=O][O-1][C][C@@H1][Ring1][S][O]

The molecule is a ketoaldonate that is the conjugate base of N-acetylneuraminic acid, obtained by deprotonation of the carboxy group. It has a role as a human metabolite. It is a conjugate base of a N-acetylneuraminic acid.

SMILES: CC(=O)NC1C(O)CC(O)(C(=O)[O-])OC1C(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][O][C][=Branch1][C][=O][C][=N][C][Branch1][=Branch1][C][C][C][Ring1][Ring1][=N][C][Branch1][C][N][=C][Ring1][#Branch2][Cl]

The molecule is a pyrimidinecarboxylate ester that is the methyl ester of aminocyclopyrachlor. It has a role as a herbicide and a synthetic auxin. It is a pyrimidinecarboxylate ester, a primary amino compound, an organochlorine pesticide and a methyl ester. It derives from an aminocyclopyrachlor.

SMILES: COC(=O)c1nc(C2CC2)nc(N)c1Cl
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][#C][C][C][=C][NH1][C][=C][C][=C][C][=C][Ring1][=Branch2][Ring1][=Branch1][C][=Branch1][C][=O][N][C][C][C][C@H1][Ring1][Branch1][C][=Branch1][C][=O][O]

The molecule is a dipeptide obtained by formal condensation of the carboxy group of L-tryptophan with the amino group of L-proline. It derives from a L-tryptophan and a L-proline.

SMILES: NC(Cc1c[nH]c2ccccc12)C(=O)N1CCCC1C(=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][O][C][=Branch1][C][=O][C@H1][O][C@@H1][Ring1][Ring1][C][=Branch1][C][=O][N][C@@H1][Branch1][#Branch1][C][C][Branch1][C][C][C][C][=Branch1][C][=O][N][C][C][C][Branch1][C][C][C]

The molecule is an L-leucine derivative that is the amide obtained by formal condensation of the carboxy group of (2S,3S)-3-(ethoxycarbonyl)oxirane-2-carboxylic acid with the amino group of N-(3-methylbutyl)-L-leucinamide. It has a role as a cathepsin B inhibitor and an anticoronaviral agent. It is a L-leucine derivative, a monocarboxylic acid amide, an epoxide and an ethyl ester.

SMILES: CCOC(=O)C1OC1C(=O)NC(CC(C)C)C(=O)NCCC(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][C][/C][=C][\C][C][C][C][C][C][C][C][C][C][C][C][=Branch1][C][=O][O]

The molecule is an octadecenoic acid with a cis-double bond at position C-13. It is a conjugate acid of a (13Z)-octadecenoate.

SMILES: CCCCC=CCCCCCCCCCCCC(=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][=O][N][C@H1][C@H1][Branch2][Ring2][#C][O][C@H1][C@H1][Branch2][Ring1][Branch1][O][C@H1][O][C@H1][Branch1][Ring1][C][O][C@@H1][Branch1][C][O][C@H1][Branch1][C][O][C@@H1][Ring1][#Branch2][O][C@@H1][Branch1][#Branch1][N][C][Branch1][C][C][=O][C][Branch1][C][O][O][C@@H1][Ring2][Ring1][#Branch1][C][O][O][C@H1][Branch1][Ring1][C][O][C@@H1][Branch2][Branch1][=Branch2][O][C@@H1][O][C@H1][Branch2][Ring1][=Branch1][C][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][Branch1][C][O][C@H1][Branch1][C][O][C@@H1][Ring2][Ring1][Branch1][O][C@@H1][O][C][C@@H1][Branch1][C][O][C@H1][Branch1][C][O][C@H1][Ring1][Branch2][O][C@@H1][Ring2][=Branch1][C][O]

The molecule is a branched amino hexasaccharide consisting of a GlcNAc residue at the reducing end with a Man-alpha(1->6)-[Xyl-beta(1->2)]-Man-beta(1->4)-GlcNAc moiety attached via a beta-(1->4)-linkage and a Man residue attached via an alpha-(1->3)-linkage. It is an amino hexasaccharide and a glucosamine oligosaccharide.

SMILES: CC(=O)NC1C(OC2C(CO)OC(O)C(NC(C)=O)C2OC2OC(CO)C(O)C(O)C2O)OC(CO)C(OC2OC(COC3OC(CO)C(O)C(O)C3O)C(O)C(O)C2OC2OCC(O)C(O)C2O)C1O
You are a professional chemist. Your task is to generate a natural, concise, and chemically accurate description of a given molecule.

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

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

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

The molecule is a monocarboxylic acid anion that is the conjugate base of (S)-2-(4-chloro-2-methylphenoxy)propanoic acid, obtained by deprotonation of the carboxy group. It is a conjugate base of a (S)-mecoprop. It is an enantiomer of a (R)-2-(4-chloro-2-methylphenoxy)propanoate.

SMILES: Cc1cc(Cl)ccc1OC(C)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][Branch1][Ring1][C][C][C][O][C][=Branch1][C][=O][C][C][C][C][C][=Branch1][C][=O][O][C][C][Branch1][Ring1][C][C][C][C][C][C]

The molecule is a diester resulting from the formal condensation of the carboxy groups of adipic acid with 2-ethylhexan-1-ol. It is used as a plasticiser in the preparation of various polymers. It has a role as a plasticiser. It is a diester, a carboxylic ester and a member of dicarboxylic acids and O-substituted derivatives. It derives from a 2-ethylhexan-1-ol and an adipic acid.

SMILES: CCCCC(CC)COC(=O)CCCCC(=O)OCC(CC)CCCC
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@H1][Branch1][#Branch2][C][C][=C][C][=C][C][=C][Ring1][=Branch1][N][C][=Branch1][C][=O][C@H1][Branch1][#Branch2][C][C][C][N][=C][Branch1][C][N][N][N][C][=Branch1][C][=O][C][C][C][C][C][Branch1][O][C][C][Branch1][Ring2][C][Ring1][=Branch1][C][Ring1][=Branch2][C][Ring1][#Branch2]

The molecule is a dipeptide formed from L-arginine and L-phenylalaninamide residues in which a hydrogen attached to the nitrogen of the alpha-amino group of the arginine residue has been replaced by a 1-adamantanecarbonyl group. It has been reported to be a potent and selective antagonist of neuropeptide FF (NPFF) receptors, but more recently found to be an agonist at both NPFF1R and the kisspeptin receptor (KISS1R). It has a role as a neuropeptide FF receptor antagonist, a neuropeptide FF receptor agonist and a kisspeptin receptor agonist. It derives from an Arg-Ala.

SMILES: NC(=O)C(Cc1ccccc1)NC(=O)C(CCCN=C(N)N)NC(=O)C12CC3CC(CC(C3)C1)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>

[C][C][Branch1][C][C][C@H1][Branch1][C][O][C][C][C@][Branch1][C][C][C@H1][C][C][=C][C@@H1][C][C@][Branch1][C][C][Branch1][=Branch1][C][=Branch1][C][=O][O][C][C@H1][Branch1][C][O][C@][Ring1][O][Branch1][C][C][C][C][C@@][Ring1][S][Branch1][C][C][C@][Ring2][Ring1][Branch1][Branch1][C][C][C][C][C@@H1][Ring2][Ring1][P][Ring2][Ring1][O]

The molecule is a pentacyclic triterpenoid with formula C30H48O4, originally isolated from Tripterygium wilfordii and Tripterygium hypoglaucum. It has a role as a plant metabolite. It is a pentacyclic triterpenoid, a hydroxy monocarboxylic acid and a diol. It derives from a hydride of an oleanane.

SMILES: CC1(C(=O)O)CC(O)C2(C)CCC3(C)C(=CCC4C5(C)CCC(O)C(C)(C)C5CCC43C)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][N+1][=C][C][=C][C][=C][Ring1][=Branch1][/C][=N][/O]

The molecule is a pyridinium ion that is 1-methylpyridinium substituted by a (hydroxyimino)methyl group at position 2. It has a role as a cholinergic drug, a cholinesterase reactivator, an antidote to organophosphate poisoning and an antidote to sarin poisoning.

SMILES: C[n+]1ccccc1C=NO
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][Ring1][Branch1][C][C][C@H1][Ring1][=Branch1][C@][Branch1][C][C][C][C][C][C@@][Branch1][C][C][Branch1][=Branch1][C][=Branch1][C][=O][O][C@H1][Ring1][O][C@@H1][Ring2][Ring1][C][C][=Branch1][C][=O][O]

The molecule is a C20-gibberellin, initially identified in Gibberella fujikuroi, in which the gibbane skeleton carries 1beta- and 4aalpha-methyl groups, 1alpha- and 10beta-carboxy substituents, and a methylene group at C-8 (all gibbane numberings). It is a C20-gibberellin and a dicarboxylic acid. It is a conjugate acid of a gibberellin A12(2-).

SMILES: C=C1CC23CC1CCC2C1(C)CCCC(C)(C(=O)O)C1C3C(=O)O