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][C][/C][=C][\C][/C][=C][\C][/C][=C][\C][/C][=C][\C][C][C][C][C]

The molecule is an alkapentaene that is henicos-1-ene with 4 cis double bonds at positions 6,9,12 and 15. It has a role as an algal metabolite and a lipoxygenase inhibitor.

SMILES: C=CCCCC=CCC=CCC=CCC=CCCCCC
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][N][S][=Branch1][C][=O][=Branch1][C][=O][O][Ring1][=Branch2]

The molecule is a sulfamate ester that is 1,2,3-oxathiazin-4(3H)-one 2,2-dioxide substituted by a methyl group at position 6. It has a role as a xenobiotic, an environmental contaminant and a sweetening agent. It is a sulfamate ester, an organonitrogen heterocyclic compound, an oxacycle and an organic heteromonocyclic compound.

SMILES: CC1=CC(=O)NS(=O)(=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][/C][=C][\C][C@H1][Branch1][C][O][/C][=C][/C][=C][\C][/C][=C][\C][=C][\C@@H1][Branch1][C][O][/C][=C][\C][C][C][C][=Branch1][C][=O][O-1]

The molecule is a dihydroxydocosahexaenoate that is the conjugate base of resolvin D5, obtained by deprotonation of the carboxy group; major species at pH 7.3. It is a conjugate base of a resolvin D5.

SMILES: CCC=CCC(O)C=CC=CCC=CC=CC(O)C=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][N+1][Branch1][C][C][Branch1][C][C][C][C][P][=Branch1][C][=O][Branch1][C][O][O]

The molecule is a quaternary ammonium ion where three methyl groups and one 2-phosphoethyl group are attached to the nitrogen. It has a role as a mouse metabolite. It derives from a phosphonic acid.

SMILES: C[N+](C)(C)CCP(=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][Branch1][C][O][C][O]

The molecule is a hydroxy monocarboxylic acid anion that is the conjugate base of glyceric acid, obtained by deprotonation of the carboxy group. It has a role as a human metabolite and a fundamental metabolite. It is a member of glycerates and a hydroxy monocarboxylic acid anion. It derives from a propionate. It is a conjugate base of a glyceric acid.

SMILES: O=C([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][C][C][C][C][/C][=C][\C][/C][=C][\C][C][C][C][C][C][C][C][=Branch1][C][=O][O][C][C@@H1][Branch2][Ring1][Branch2][C][O][C][=Branch1][C][=O][C][C][C][C][C][C][C][/C][=C][\C][C][C][C][C][C][C][C][O][C][=Branch1][C][=O][C][C][C][C][C][C][C][/C][=C][\C][C][C][C][C][C][C][C]

The molecule is a triacyl-sn-glycerol in which the acyl groups at positions 1 and 2 are specified as oleoyl while that at position 3 is specifed as linoleoyl. It has a role as a mouse metabolite. It is a triacyl-sn-glycerol and a linoleoyl containing 1,2,3-triacyl-sn-glycerol. It derives from a linoleic acid and an oleic acid.

SMILES: CCCCCC=CCC=CCCCCCCCC(=O)OCC(COC(=O)CCCCCCCC=CCCCCCCCC)OC(=O)CCCCCCCC=CCCCCCCCC
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][N][O][P][=Branch1][C][=O][Branch1][C][O][O][P][=Branch1][C][=O][Branch1][C][O][O][C][C@H1][O][C@@H1][Branch1][=N][N][C][=C][C][=Branch1][C][=O][NH1][C][Ring1][#Branch1][=O][C@H1][Branch1][C][O][C@@H1][Ring1][=C][O][O][C@H1][Branch1][=Branch1][C][=Branch1][C][=O][O][C@@H1][Branch1][C][O][C@@H1][Ring2][Ring2][Ring1][O]

The molecule is a UDP-N-acetyl-D-mannosaminouronate in which the anomeric centre of the pyranose fragment has alpha-configuration. It is a conjugate acid of an UDP-N-acetyl-alpha-D-mannosaminouronate(3-).

SMILES: CC(=O)NC1C(OP(=O)(O)OP(=O)(O)OCC2OC(n3ccc(=O)[nH]c3=O)C(O)C2O)OC(C(=O)O)C(O)C1O
You are a professional chemist. Your task is to generate a natural, concise, and chemically accurate description of a given molecule.

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

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

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

The molecule is a phosphatidylcholine 32:0 in which the 1- and 2-acyl groups are specified as hexadecanoyl (palmitoyl). A synthetic phospholipid used in liposomes and lipid bilayers to study biological membranes. It is also a major constituent of pulmonary surfactants. It has a role as a surfactant and a mouse metabolite. It is a phosphatidylcholine 32:0 and a 1-acyl-2-hexadecanoyl-sn-glycero-3-phosphocholine. It derives from a hexadecanoic acid.

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

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

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

[C][C][C][C][C][C][C][C][C][C][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][NH3+1]

The molecule is a lysophosphatidylethanolamine zwitterion 16:0 obtained by transfer of a proton from the phosphate to the amino group of 1-hexadecanoyl-sn-glycero-3-phosphoethanolamine. It is a lysophosphatidylethanolamine zwitterion 16:0 and a 1-acyl-sn-glycero-3-phosphoethanolamine zwitterion. It is a tautomer of a 1-hexadecanoyl-sn-glycero-3-phosphoethanolamine.

SMILES: CCCCCCCCCCCCCCCC(=O)OCC(O)COP(=O)([O-])OCC[NH3+]
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][N][O][C][C@H1][Branch1][C][N][C][=Branch1][C][=O][O][O][C@H1][Branch2][Ring2][#Branch2][C][O][C@][Branch1][=Branch1][C][=Branch1][C][=O][O][C][C@H1][Branch1][C][O][C@@H1][Branch1][#Branch1][N][C][Branch1][C][C][=O][C@H1][Branch1][O][C@H1][Branch1][C][O][C@H1][Branch1][C][O][C][O][O][Ring2][Ring1][Ring2][C@H1][Branch1][C][O][C@@H1][Ring2][Ring2][Ring2][O]

The molecule is the L-alpha-amino acid that is N-acetyl-alpha-neuraminyl-(2->6)-N-acetyl-alpha-D-galactosamine linked via an alpha glycosidic bond to the O at position 3 of L-serine. It is a L-serine derivative and a non-proteinogenic L-alpha-amino acid.

SMILES: CC(=O)NC1C(OCC(N)C(=O)O)OC(COC2(C(=O)O)CC(O)C(NC(C)=O)C(C(O)C(O)CO)O2)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][O][C][=C][Branch2][Ring1][#Branch2][C][=C][C][=C][C][=C][Branch1][#Branch2][N-1][S][Branch1][C][C][=Branch1][C][=O][=O][C][=C][C][Ring1][O][=C][Ring1][#C][C][=C][Branch1][=N][N][C][=C][C][=Branch1][C][=O][NH1][C][Ring1][#Branch1][=O][C][=C][Ring2][Ring1][=N][C][Branch1][C][C][Branch1][C][C][C].[Na+1]

The molecule is an organic sodium salt having dasabuvir(1-) as the counterion; used (in the form of the hydrate) in combination with ombitasvir, paritaprevir and ritonavir (under the trade name Viekira Pak) for treatment of chronic hepatitis C virus genotype 1 infection as well as cirrhosis of the liver. It has a role as an antiviral drug and a nonnucleoside hepatitis C virus polymerase inhibitor. It contains a dasabuvir(1-).

SMILES: COc1c(-c2ccc3cc([N-]S(C)(=O)=O)ccc3c2)cc(-n2ccc(=O)[nH]c2=O)cc1C(C)(C)C.[Na+]
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][C][C@H1][C@@H1][C][C][C][=C][C][=Branch1][C][=O][C][=C][C@][Ring1][#Branch1][Branch1][C][C][C@@][Ring1][N][Branch1][C][F][C@@H1][Branch1][C][O][C][C@][Ring2][Ring1][C][Branch1][C][C][C@@][Ring2][Ring1][=Branch1][Branch1][C][O][C][=Branch1][C][=O][C][Cl]

The molecule is a 3-oxo-Delta(1),Delta(4)-steroid that is 16beta-methylpregna-1,4-diene-3,20-dione bearing hydroxy groups at the 11beta and 17alpha positions, fluorine at position 9, and a chlorine substituent at position 21. It is used as its 17alpha-propionate ester to treat various skin disorders, including exzema and psoriasis. It has a role as an anti-inflammatory drug and a SMO receptor agonist. It is an 11beta-hydroxy steroid, a 17alpha-hydroxy steroid, a 20-oxo steroid, a glucocorticoid, a fluorinated steroid, a 3-oxo-Delta(1),Delta(4)-steroid, a chlorinated steroid and a tertiary alpha-hydroxy ketone.

SMILES: CC1CC2C3CCC4=CC(=O)C=CC4(C)C3(F)C(O)CC2(C)C1(O)C(=O)CCl
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][Branch2][Branch1][Ring1][C@H1][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][C@@H1][Ring1][P][C][O][C@H1][Ring1][Branch1][C][=C][C][=C][Branch1][C][O][C][Branch1][Ring1][O][C][=C][Ring1][=Branch2][=C][C][=C][Ring2][Ring2][Ring1][O]

The molecule is a lignan that is pinoresinol attached to a beta-D-glucopyranosyloxy group at position 4. It has been isolated from the roost of Scorzonera judaica. It has a role as a metabolite and a plant metabolite. It is a furofuran, a lignan, a beta-D-glucoside, a monosaccharide derivative and a member of guaiacols. It derives from a pinoresinol.

SMILES: COc1cc(C2OC(OC3OC(CO)C(O)C(O)C3O)C3C(c4ccc(O)c(OC)c4)OCC23)ccc1O
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][=Branch1][C][=O][O]

The molecule is an alpha,omega-dicarboxylic acid that is heptane substituted at positions 1 and 7 by carboxy groups. It has a role as an antibacterial agent, an antineoplastic agent, a dermatologic drug and a plant metabolite. It is a conjugate acid of an azelaate(2-) and an azelaate.

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

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

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

[C][C][C][C][C][/C][=C][\C][/C][=C][\C][/C][=C][\C][C][C][C][C][C][C][C][C][=Branch1][C][=O][O][C@H1][Branch2][Ring1][=Branch2][C][O][C][C][C][C][C][C][C][C][C][C][C][C][C][C][C][C][C][C][C][C][C][C][C][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 O-44:3 in which the alkyl and acyl groups specified at positions 1 and 2 are docosyl and (10Z,13Z,16Z)-docosatrienoyl respectively. It is a phosphatidylcholine O-44:3 and a 2-acyl-1-alkyl-sn-glycero-3-phosphocholine. It derives from a (10Z,13Z,16Z)-docosatrienoic acid.

SMILES: CCCCCC=CCC=CCC=CCCCCCCCCC(=O)OC(COCCCCCCCCCCCCCCCCCCCCCC)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>

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

The molecule is a sprioketal resulting from the formal condensation of the 2'- and 3'- hydroxy groups of ATP with picric acid. It has a role as an antagonist. It is a C-nitro compound and a spiroketal. It derives from an ATP, a picric acid and a ({[(2R,3S,4R,5R)-3,4-dihydroxy-5-(9H-purin-9-yl)oxolan-2-yl]methyl phosphonato}oxy)(phosphonatooxy)phosphinate. It is a conjugate acid of a TNP-ATP(5-).

SMILES: Nc1ncnc2c1ncn2C1OC(COP(=O)(O)OP(=O)(O)OP(=O)(O)O)C2OC3(OC21)C([N+](=O)[O-])=CC([N+](=O)[O-])=CC3[N+](=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][C][=C][N][Branch2][Ring2][=Branch2][C@H1][C][C@H1][Branch1][C][O][C@@H1][Branch2][Ring1][O][C][O][P][=Branch1][C][=O][Branch1][C][O][O][P][=Branch1][C][=O][Branch1][C][O][O][P][=Branch1][C][=O][Branch1][C][O][O][O][Ring2][Ring1][Ring2][C][=Branch1][C][=O][NH1][Ring2][Ring1][O]

The molecule is a pyrimidine 2'-deoxyribonucleoside 5'-triphosphate and a deoxyuridine phosphate. It has a role as a human metabolite, an Escherichia coli metabolite and a mouse metabolite. It is a conjugate acid of a dUTP(3-).

SMILES: O=c1ccn(C2CC(O)C(COP(=O)(O)OP(=O)(O)OP(=O)(O)O)O2)c(=O)[nH]1