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

The molecule is a 2-ethoxyethyl 2-(4-{[3-chloro-5-(trifluoromethyl)pyridin-2-yl]oxy}phenoxy)propanoate that has R configuration. It has a role as a proherbicide. It is an enantiomer of a (S)-haloxyfop-etotyl.

SMILES: CCOCCOC(=O)C(C)Oc1ccc(Oc2ncc(C(F)(F)F)cc2Cl)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@@H1][C][C][=Branch1][C][=O][C][=C][Branch2][Ring2][S][C][=C][Branch1][C][O][C][=C][Ring1][#Branch1][C][=Branch1][C][=O][C][=C][C][=C][C][Branch2][Ring1][Ring1][O][C@H1][C][C@@H1][Branch1][C][N][C@@H1][Branch1][C][O][C@H1][Branch1][C][C][O][Ring1][=Branch2][=C][Ring1][S][C][Ring2][Ring1][Branch1][=O][C][Ring2][Ring1][S]

The molecule is a carbopolycyclic compound that is (3S)-3-ethyl-6,8-dihydroxy-3,4-dihydrotetraphene-1,7,12(2H)-trione substituted at position 8 by a 3-amino-2,3,6-trideoxy-alpha-L-ribo-hexopyranosyl group. It is isolated from the culture broth of Nocardia brasiliensis and exhibits antibacterial activity against Gram-positive bacteria. It is also active against the multiple drug-resistant P388/ADR tumour cells. It has a role as a metabolite, an antimicrobial agent, an antibacterial agent and an antineoplastic agent. It is a member of phenols, an aminoglycoside, a deoxy hexoside, a carbopolycyclic compound and a member of p-quinones.

SMILES: CCC1CC(=O)c2c(cc(O)c3c2C(=O)c2cccc(OC4CC(N)C(O)C(C)O4)c2C3=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>

[N][C][C][=N][N][Branch1][P][C][=Branch1][C][=O][/C][Branch1][C][O][=C][/C][=C][/C][=Branch1][C][=O][O][C][=Branch1][C][=O][C][=Ring1][P][Cl]

The molecule is an organochlorine compound and a pyridazinone. It derives from a muconic acid. It is a conjugate acid of a 5-amino-4-chloro-2-(2-oxidomuconoyl)pyridazin-3(2H)-one(2-).

SMILES: Nc1cnn(C(=O)C(O)=CC=CC(=O)O)c(=O)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>

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

The molecule is a 2-trans-abscisic acid with (S)-configuration at the chiral centre. It is a conjugate acid of a (S)-2-trans-abscisate. It is an enantiomer of a (R)-2-trans-abscisic acid.

SMILES: CC(C=CC1(O)C(C)=CC(=O)CC1(C)C)=CC(=O)O
You are a professional chemist. Your task is to generate a natural, concise, and chemically accurate description of a given molecule.

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

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

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

The molecule is an acyl tetraketide pyran-2-one that is 4-hydroxy-2H-pyran-2-one in which the hydrogen at position 6 is replaced by a 13-methyl-2-oxononadecyl group.

SMILES: CCCCCCC(C)CCCCCCCCCCC(=O)Cc1cc(O)cc(=O)o1
You are a professional chemist. Your task is to generate a natural, concise, and chemically accurate description of a given molecule.

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

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

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

The molecule is a branched amino oligosaccharide comprising a linear trisaccharide of beta-D-mannosyl, N-acetyl-beta-D-glucosaminyl and N-acetyl-D-glucosaminyl residues all linked in sequence (1->4), to the mannosyl residue of which are connected branches consisting of N-acetyl-beta-D-glucosaminyl-(1->2)-alpha-D-mannosyl and beta-D-galactosyl-(1->4)-N-acetyl-beta-D-glucosaminyl-(1->2)-alpha-D-mannosyl via (1->3) and (1->6) linkages respectively. It is an amino sugar, an amino oligosaccharide and a glucosamine oligosaccharide.

SMILES: CC(=O)NC1C(O)OC(CO)C(OC2OC(CO)C(OC3OC(COC4OC(CO)C(O)C(O)C4OC4OC(CO)C(OC5OC(CO)C(O)C(O)C5O)C(O)C4NC(C)=O)C(O)C(OC4OC(CO)C(O)C(O)C4OC4OC(CO)C(O)C(O)C4NC(C)=O)C3O)C(O)C2NC(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][C][C][C][/C][=C][\C][C][C][=Branch1][C][=O][O]

The molecule is a decenoic acid having a cis- double bond at position 4. It is a decenoic acid and an omega-6 fatty acid. It is a conjugate acid of a cis-obtusilate.

SMILES: CCCCCC=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>

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

The molecule is a primary fatty amide resulting from the formal condensation of the carboxy group of erucic acid with ammonia. It is commonly used as a slip additive in the plastic manufacturing industry. It has a role as a human metabolite, a rat metabolite, a mammalian metabolite, a plant metabolite and an EC 3.1.1.7 (acetylcholinesterase) inhibitor. It derives from an erucic acid.

SMILES: CCCCCCCCC=CCCCCCCCCCCCC(N)=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][Branch1][#Branch1][C][C][C][C][C][C][C][C][C][C][C][C][C][C][C][C][C][=Branch1][C][=O][O-1]

The molecule is a monocarboxylic acid anion that is the conjugate base of 12-[(9Z)-octadecenoyloxy]octadecanoic acid, obtained by deprotonation of the carboxy group; major species at pH 7.3. It is a conjugate base of a 12-[(9Z)-octadecenoyloxy]octadecanoic acid.

SMILES: CCCCCCCCC=CCCCCCCCC(=O)OC(CCCCCC)CCCCCCCCCCC(=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][C][C][=Branch1][C][=O][O][C@H1][Branch2][Ring1][N][C][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][O][P][=Branch1][C][=O][Branch1][C][O-1][O][C][C][N+1][Branch1][C][C][Branch1][C][C][C]

The molecule is a phosphatidylcholine 42:1 in which the acyl groups specified at positions 1 and 2 are docosanoyl and (11Z)-eicosenoyl respectively. It derives from a docosanoic acid and an (11Z)-icos-11-enoic acid.

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

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

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

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

The molecule is an anthocyanin cation that is delphinidin substituted at position 3 by a 6-O-acetyl-beta-D-glucosyl residue. It has a role as a metabolite. It is a beta-D-glucoside and an anthocyanin cation. It derives from a delphinidin.

SMILES: CC(=O)OCC1OC(Oc2cc3c(O)cc(O)cc3[o+]c2-c2cc(O)c(O)c(O)c2)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>

[O][=C][C][=C][N][Branch2][Branch1][N][C@@H1][O][C@H1][Branch2][Ring2][=N][C][O][P][=Branch1][C][=O][Branch1][C][O-1][O][P][=Branch1][C][=O][Branch1][C][O-1][O][C@H1][O][C@H1][Branch1][#Branch2][C][S][=Branch1][C][=O][=Branch1][C][=O][O-1][C@@H1][Branch1][C][O][C@H1][Branch1][C][O][C@H1][Ring1][=N][O][C@@H1][Branch1][C][O][C@H1][Ring2][Ring1][=C][O][C][=Branch1][C][=O][NH1][Ring2][Ring2][=Branch1]

The molecule is trianion of UDP-6-sulfoquinovose arising from deprotonation of diphosphate and sulfonate OH groups; major species at pH 7.3. It derives from a quinovose. It is a conjugate base of an UDP-6-sulfoquinovose.

SMILES: O=c1ccn(C2OC(COP(=O)([O-])OP(=O)([O-])OC3OC(CS(=O)(=O)[O-])C(O)C(O)C3O)C(O)C2O)c(=O)[nH]1
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][=C][=O]

The molecule is the isocyanate that is methane modified by a single isocyanato substituent. It has a role as an apoptosis inducer and an allergen.

SMILES: CN=C=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][Branch1][=Branch2][S][=Branch1][C][=O][=Branch1][C][=O][O-1][C][=C][Branch2][Branch1][O][N][C][=C][C][=C][Branch1][=Branch2][S][=Branch1][C][=O][=Branch1][C][=O][O-1][C][Branch2][Ring2][Ring2][N][C][=N][C][Branch1][C][Cl][=N][C][Branch2][Ring1][Ring2][N][C][=C][C][=C][C][Branch1][=Branch2][S][=Branch1][C][=O][=Branch1][C][=O][O-1][=C][Ring1][#Branch2][=N][Ring2][Ring1][C][=C][Ring2][Ring1][=N][C][=C][Ring2][Ring2][Branch2][C][Branch1][C][O][C][=C][C][=C][C][=C][Ring1][=Branch1][C][Ring1][O][O]

The molecule is the organosulfonate oxoanion that is the trianion of Reactive Blue 5 quinol form, obtained by loss of a proton from each of the sulfo groups; major species at pH 7.3. It is a conjugate base of a Reactive Blue 5 quinol form.

SMILES: Nc1c(S(=O)(=O)[O-])cc(Nc2ccc(S(=O)(=O)[O-])c(Nc3nc(Cl)nc(Nc4cccc(S(=O)(=O)[O-])c4)n3)c2)c2c1C(O)c1ccccc1C2O
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][=Branch1][C][=O][C][=C][C][=C][C][=C][Ring1][=Branch1][C][Branch1][C][O][=C][Ring1][N][C][C][C][C][Branch1][N][C][=C][C][=C][Branch1][C][Cl][C][=C][Ring1][#Branch1][C][C][Ring1][=N]

The molecule is a naphthoquinone compound having a 4-(4-chlorophenyl)cyclohexyl group at the 2-position and a hydroxy substituent at the 3-position. It has a role as an antimalarial, an antifungal agent, an EC 1.3.5.2 [dihydroorotate dehydrogenase (quinone)] inhibitor, an EC 1.6.5.3 [NADH:ubiquinone reductase (H(+)-translocating)] inhibitor and an EC 1.10.2.2 (quinol--cytochrome-c reductase) inhibitor. It is a member of monochlorobenzenes and a hydroxy-1,4-naphthoquinone.

SMILES: O=C1C(=O)c2ccccc2C(O)=C1C1CCC(c2ccc(Cl)cc2)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][C][O][C][C][C@@H1][Branch1][=Branch1][C][=Branch1][C][=O][O][N][C][=Branch1][C][=O][C][=C][C][=C][C][=C][Ring1][=Branch1][C][Ring1][#Branch2][=O]

The molecule is a glutamic acid derivative that is L-glutamic acid in which the two hydrogens on the amino group are substituted by a phthaloyl group. It is a member of phthalimides and a L-glutamic acid derivative. It derives from a phthalimide.

SMILES: O=C(O)CCC(C(=O)O)N1C(=O)c2ccccc2C1=O
You are a professional chemist. Your task is to generate a natural, concise, and chemically accurate description of a given molecule.

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

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

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

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

SMILES: CCOC1OCC2(C)CCCC13c1cc(O)c(C(C)C)cc1C(=O)CC23