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

The molecule is the carbohydrate acid derivative anion formed by proton loss from the carboxy group of alpha-Kdo-(2->8)-alpha-Kdo-OAll II(1),I(7)-lactone It is a conjugate base of an alpha-Kdo-(2->8)-alpha-Kdo-OAll II(1),I(7)-lactone.

SMILES: C=CCOC1(C(=O)[O-])CC(O)C(O)C(C2COC3(CC(O)C(O)C(C(O)CO)O3)C(=O)O2)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][O][C][=Branch1][C][=O][C][=C][Branch2][Ring1][#Branch1][O][C@@H1][O][C@@H1][Branch1][C][C][C@H1][Branch1][Ring1][O][C][C@@H1][Branch1][Ring1][O][C][C@H1][Ring1][O][O][C][C][=C][C][=C][C][=Branch1][=N][=C][Branch1][C][O][C][Ring1][#Branch1][=C][Ring2][Ring1][=Branch2][C][C][=Branch1][C][=O][C@][Branch1][C][O][C][=Branch1][C][=O][C][=C][Branch1][Ring1][O][C][C@@H1][Branch1][C][O][C@][Ring1][O][Branch1][C][O][C][Ring2][Ring1][=Branch1][=O]

The molecule is a member of the class of tetracenomycins that is 8-demethyltetracenomycin C in which the hydroxyl hydrogen at position 8 is replaced by a 2,3,4-tri-O-methyl-alpha-L-rhamnosyl residue. It has a role as a bacterial metabolite. It is an alpha-L-rhamnoside, an enol ether, an enone, a monosaccharide derivative, a member of phenols, a member of tetracenequinones, a methyl ester and a tertiary alpha-hydroxy ketone. It derives from a tetracenomycin C.

SMILES: COC(=O)c1c(OC2OC(C)C(OC)C(OC)C2OC)cc2cc3c(c(O)c2c1C)C(=O)C1(O)C(=O)C=C(OC)C(O)C1(O)C3=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][=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 an unsaturated fatty acyl-CoA that results from the formal condensation of the thiol group of coenzyme A with the carboxy group of trans-hex-2-enoic acid. It has a role as a human metabolite, an Escherichia coli metabolite and a mouse metabolite. It is a medium-chain fatty acyl-CoA, a trans-2-enoyl-CoA and a monounsaturated fatty acyl-CoA. It derives from a coenzyme A. It is a conjugate acid of a trans-hex-2-enoyl-CoA(4-).

SMILES: CCCC=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>

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

The molecule is an amino pentasaccharide that is D-mannopyranose in which the hydroxy group at positions 2 and 4 have been converted to the beta-D-galactopyranosyl-(1->4)-2-acetamido-alpha-D-glucopyranoside and the beta-D-galactopyranosyl-(1->4)-2-acetamido-beta-D-glucopyranoside respectively. It is an amino pentasaccharide and a member of acetamides.

SMILES: CC(=O)NC1C(OC2C(O)OC(CO)C(OC3OC(CO)C(OC4OC(CO)C(O)C(O)C4O)C(O)C3NC(C)=O)C2O)OC(CO)C(OC2OC(CO)C(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][O][C@@H1][O][C][C][=C][C][C@H1][C@][Branch1][C][C][C][C][C@H1][C][Branch1][C][C][Branch1][C][C][C][C][C][C@][Ring1][Branch2][Branch1][C][C][C@H1][Ring1][=C][C][C@@H1][Branch1][#Branch1][O][C][Branch1][C][C][=O][C@][Ring2][Ring1][=Branch1][Branch1][C][C][C@H1][Ring2][Ring1][O][Ring2][Ring1][=C]

The molecule is a scalarane sesterterpenoid that is 12-epi-deoxoscalarin in which the hydroxy group at position 19 is replaced by a methoxy group. It has been isolated from the sponge,Hyattella species. It has a role as an animal metabolite. It is an acetate ester, an organic heteropentacyclic compound and a scalarane sesterterpenoid. It derives from a 12-epi-deoxoscalarin.

SMILES: COC1OCC2=CCC3C4(C)CCC5C(C)(C)CCCC5(C)C4CC(OC(C)=O)C3(C)C21
You are a professional chemist. Your task is to generate a natural, concise, and chemically accurate description of a given molecule.

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

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

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

The molecule is an alpha,omega-dicarboxylic acid that is tetradecane in which the methyl groups have been oxidised to the corresponding carboxylic acids. It has a role as a human metabolite. It is a conjugate acid of a tetradecanedioate(2-). It derives from a hydride of a tetradecane.

SMILES: O=C(O)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][C][C][=Branch1][C][=O][N][C][=N][C][=C][Branch2][Ring1][O][C][=C][C][Branch1][=Branch1][C][Branch1][C][F][F][=N][N][Ring1][Branch2][C][=C][Branch1][C][Cl][C][=C][C][=C][Ring1][#Branch1][Cl][S][Ring2][Ring1][Branch1]

The molecule is a member of the class of pyrazoles that is 1-(2,6-dichlorophenyl)-1H-pyrazole which is substituted by a difluoromethyl group at position 3 and by a 2-(isobutyrylamino)-1,3-thiazol-5-yl group at position 5. It is a a potent cell-permeable inhibitor of LIM kinase 1 and 2. It has a role as a LIM kinase inhibitor. It is a member of pyrazoles, a member of 1,3-thiazoles, a dichlorobenzene, an organofluorine compound and a secondary carboxamide.

SMILES: CC(C)C(=O)Nc1ncc(-c2cc(C(F)F)nn2-c2c(Cl)cccc2Cl)s1
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][Ring2][Branch2][C@@H1][C][O][C][=C][C][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][C][=C][Ring2][Ring1][C][C][Ring2][Ring1][=Branch1][C][Branch1][C][O][=C][Ring2][Ring1][=N][O][C]

The molecule is a monosaccharide derivative that is (R)-isoflavan substituted by a hydroxy group substituted at position 2', methoxy groups at positions 3' and 4' and a beta-D-glucopyranosyloxy group at position 7 respectively. It has a role as a plant metabolite. It is a beta-D-glucoside, a member of hydroxyisoflavans, a methoxyisoflavan and a monosaccharide derivative. It derives from a hydride of a (R)-isoflavan.

SMILES: COc1ccc(C2COc3cc(OC4OC(CO)C(O)C(O)C4O)ccc3C2)c(O)c1OC
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][Branch2][C][Branch1][C][C][C][C][C][C][=Branch1][C][=O][N][C][=Branch1][C][=O][N][C][Ring1][=N][=O]

The molecule is a member of the class of barbiturates that is barbituric acid in which the hydrogens at position 5 are substituted by prop-2-en-1-yl and pentan-2-yl groups. It has a role as an anaesthesia adjuvant, a GABA modulator and a sedative. It derives from a barbituric acid. It is a conjugate acid of a secobarbital (1-).

SMILES: C=CCC1(C(C)CCC)C(=O)NC(=O)NC1=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][=Branch2][O][C][C][Branch1][C][O][C][O][C][=C][C][=C][C][=C][Ring1][=Branch1][N][C][=C][C][=N][C][=C][C][Branch1][C][Cl][=C][C][=C][Ring1][O][Ring1][#Branch1]

The molecule is a carboxylic ester that is 2,3-dihydroxypropyl anthranilate in which the amino group is substituted by a 7-chloroquinolin-4-yl group. A non-steroidal anti-inflammatory drug, glafenine and its hydrochloride salt were used for the relief of all types of pain, but high incidence of anaphylactic reactions resulted in their withdrawal from the market. It has a role as a non-narcotic analgesic, a non-steroidal anti-inflammatory drug and an inhibitor. It is an organochlorine compound, a secondary amino compound, a glycol, a carboxylic ester and an aminoquinoline. It derives from a glycerol and an anthranilic acid.

SMILES: O=C(OCC(O)CO)c1ccccc1Nc1ccnc2cc(Cl)ccc12
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][Branch1][C][O][C][Branch2][Branch1][Ring2][C@@H1][C][C][=Branch1][C][=O][C][=C][Branch1][C][O][C][Branch1][C][C][=C][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][Branch1][C][C][=C][Ring2][Ring1][Branch1][O][Ring2][Ring1][#Branch2][=C][Ring2][Ring1][P]

The molecule is a flavanone glycoside that is (2S)-flavanone substituted by methyl groups at positions 6 and 8, hydroxy groups at positions 5 and 2', a methoxy group at position 5' and a beta-D-glucopyranosyloxy residue at position 7. Isolated from the leaves of Myrcia multiflora, it exhibits inhibitory activity against alpha-glucosidase and aldose reductase. It has a role as an EC 3.2.1.20 (alpha-glucosidase) inhibitor, an EC 1.1.1.21 (aldehyde reductase) inhibitor and a plant metabolite. It is a beta-D-glucoside, a dihydroxyflavanone, a monomethoxyflavanone, a flavanone glycoside and a monosaccharide derivative.

SMILES: COc1ccc(O)c(C2CC(=O)c3c(O)c(C)c(OC4OC(CO)C(O)C(O)C4O)c(C)c3O2)c1
You are a professional chemist. Your task is to generate a natural, concise, and chemically accurate description of a given molecule.

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

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

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

The molecule is an eunicellin diterpenoid isolated from the soft coral Klyxum molle. It has a role as an anti-inflammatory agent and a coral metabolite. It is an acetate ester, an epoxide, a eunicellin diterpenoid, a macrocycle, an oxacycle and a tetradecanoate ester. It derives from a tetradecanoic acid.

SMILES: CCCCCCCCCCCCCC(=O)OC1CCC(C)(OC(C)=O)C2OC(CC1(C)O)C1C2C(C(C)C)C(OC(C)=O)C(OC(C)=O)C12CO2
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][=O][O][C][C@@H1][Branch1][C][O][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 1-O-acyl-sn-glycero-3-phosphocholine in which the acyl group is specified as caproyl (hexanoyl). It is a 1-O-acyl-sn-glycero-3-phosphocholine, a hexanoate ester and a lysophosphatidylcholine 6:0.

SMILES: CCCCCC(=O)OCC(O)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][O][C@@H1][C@H1][Branch1][C][O][C@@H1][Branch1][Ring1][C][O][O][C@H1][Ring1][Branch2][N][C][=C][C][=Branch1][C][=O][NH1][C][Ring1][#Branch1][=O]

The molecule is a methyluridine that consists of uridine bearing a single methyl substituent located at position O-2' on the ribose ring.

SMILES: COC1C(O)C(CO)OC1n1ccc(=O)[nH]c1=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][S+1][Branch1][C][C][C][C][C@H1][Branch1][C][N][C][=Branch1][C][=O][O-1]

The molecule is a sulfonium betaine that is a conjugate base of S-methyl-L-methionine obtained by the deprotonation of the carboxy group. It is a sulfonium betaine and a methyl-L-methionine. It derives from a L-methioninate. It is a conjugate base of a S-methyl-L-methionine.

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

The molecule is a organic heteropentacyclic compound that is 1,2,8,13-tetrahydro-3aH-benzo[b][1,3]oxazolo[3,2-f]phenanthridine which carries oxo groups at positions 2, 8 and 13, methyl group at position 5, hydroxy groups at positions 7 and 12, and a (2R)-butan-2-yl group at position 1. It is a mixture of epimers at the hemiaminal carbon (position 3a). It is a jadomycin, an organic heteropentacyclic compound, a member of p-quinones and a polyphenol.

SMILES: CCC(C)C1C(=O)OC2c3cc(C)cc(O)c3C3=C(C(=O)c4c(O)cccc4C3=O)N21