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][=Branch1][C][=O][O][C][C@H1][Branch2][=Branch1][N][C][O][P][=Branch1][C][=O][Branch1][C][O-1][O][C][C][Branch1][C][O][C][O][P][=Branch1][C][=O][Branch1][C][O-1][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][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 cardiolipin 72:7(2-) obtained by deprotonation of the phosphate OH groups of 1,1',2-trilinoleoyl-2'-oleoyl cardiolipin; major species at pH 7.3. It is a conjugate base of a 1,1',2-trilinoleoyl-2'-oleoyl cardiolipin.

SMILES: CCCCCC=CCC=CCCCCCCCC(=O)OCC(COP(=O)([O-])OCC(O)COP(=O)([O-])OCC(COC(=O)CCCCCCCC=CCC=CCCCCC)OC(=O)CCCCCCCC=CCCCCCCCC)OC(=O)CCCCCCCC=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>

[O][=C][Branch1][C][O-1][C][=Branch1][C][=O][O-1].[Ca+2]

The molecule is the calcium salt of oxalic acid, which in excess in the urine may lead to formation of oxalate calculi (kidney stones). It contains an oxalate(2-).

SMILES: O=C([O-])C(=O)[O-].[Ca+2]
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][Branch1][C][C][O]

The molecule is a secondary alcohol that is butane substituted by a hydroxy group at position 2. It derives from a hydride of a butane.

SMILES: CCC(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>

[O][N][C][=C][C][=C][C][Ring1][=Branch1][=S]

The molecule is a pyridinethione that is pyridine-2(1H)-thione in which the hydrogen attached to the nitrogen is replaced by a hydroxy group. It is a Zn(2+) ionophore; the zinc salt is used as an antifungal and antibacterial agent. It has a role as an ionophore. It is a pyridinethione and a monohydroxypyridine. It is a tautomer of a pyridine-2-thiol N-oxide.

SMILES: On1ccccc1=S
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][=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 acyl-CoA having trans-dodec-2-enoyl as the S-acyl group. It has a role as an Escherichia coli metabolite and a mouse metabolite. It is a trans-2-enoyl-CoA and a dodecenoyl-CoA. It derives from a coenzyme A and a trans-2-dodecenoic acid. It is a conjugate acid of a trans-dodec-2-enoyl-CoA(4-).

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

The molecule is the anion resulting from the removal of a proton from the carboxylic acid group of cefpiramide. It is a conjugate base of a cefpiramide.

SMILES: Cc1cc(=O)c(C(=O)NC(C(=O)NC2C(=O)N3C(C(=O)[O-])=C(CSc4nnnn4C)CSC23)c2ccc(O)cc2)c[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][C][Branch1][C][C][C][C][C@][Branch1][=Branch1][C][=Branch1][C][=O][O][C][C][C@][Branch1][C][C][C][=Branch2][Ring1][P][=C][C][C@@H1][C@@][Branch1][C][C][C][C][C@H1][Branch1][C][O][C][Branch1][C][C][Branch1][C][C][C@@H1][Ring1][#Branch2][C][C][C@][Ring1][=C][Ring2][Ring1][Ring1][C][C@@H1][Ring2][Ring1][O][C][Ring2][Ring1][S]

The molecule is a pentacyclic triterpenoid that is olean-12-en-28-oic acid substituted by a beta-hydroxy group at position 3. It has a role as a plant metabolite. It is a pentacyclic triterpenoid and a hydroxy monocarboxylic acid. It is a conjugate acid of an oleanolate. It derives from a hydride of an oleanane.

SMILES: CC1(C)CCC2(C(=O)O)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>

[NH3+1][C@H1][C][=Branch1][C][=O][N][C@H1][C][C][=C][C][=C][Branch1][Branch2][C][Branch1][C][Cl][=C][Ring1][#Branch1][O][C][=C][C][=C][C][=Branch1][Branch1][=C][Ring1][=Branch1][O-1][O][C][=C][C][=C][Branch1][=Branch1][C][=C][Ring1][=Branch1][Cl][C@@H1][Branch1][C][O][C@@H1][N][C][=Branch1][C][=O][C@H1][Branch2][Branch1][#Branch2][N][C][=Branch1][C][=O][C@@H1][Ring2][Ring1][Branch2][N][C][=Branch1][C][=O][C@@H1][Branch1][#Branch1][N][C][Ring2][Ring2][#Branch2][=O][C][=C][C][Branch1][C][O][=C][C][=Branch1][Ring2][=C][Ring1][#Branch1][O][C][=C][C][Ring2][Branch1][#Branch2][=C][C][=C][Ring1][=Branch1][O][S][=Branch1][C][=O][=Branch1][C][=O][O-1][C][=C][C][Branch1][C][Cl][=C][Branch1][C][O][C][=Branch1][Ring2][=C][Ring1][Branch2][C][=C][Branch1][C][O][C][=C][Branch1][C][O][C][=C][Ring1][Branch2][C@H1][Branch1][=Branch1][C][=Branch1][C][=O][O-1][N][C][Ring2][Branch1][=Branch2][=O]

The molecule is an organic anion obtained by deprotonation of the carboxy, sulfo and one of the hydroxy groups as well as protonation of the amino group of A47934; major species at pH 7.3. It is a conjugate base of an A47934.

SMILES: [NH3+]C1C(=O)NC2Cc3ccc(c(Cl)c3)Oc3cc4cc(c3[O-])Oc3ccc(cc3Cl)C(O)C3NC(=O)C(NC(=O)C4NC(=O)C(NC2=O)c2cc(O)cc(c2)Oc2cc1ccc2OS(=O)(=O)[O-])c1cc(Cl)c(O)c(c1)-c1c(O)cc(O)cc1C(C(=O)[O-])NC3=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][C][C][C@H1][C@H1][Branch1][C][O][C][C][=Branch1][C][=O][C@@H1][Ring1][#Branch1][C][C][C][C][C][C][C][=Branch1][C][=O][O-1]

The molecule is a prostaglandin carboxylic acid anion that is the conjugate base of 13,14-dihydro-15-oxoprostaglandin E1, obtained by deprotonation of the carboxy group; major species at pH 7.3. It is a conjugate base of a 13,14-dihydro-15-oxoprostaglandin E1.

SMILES: CCCCCC(=O)CCC1C(O)CC(=O)C1CCCCCCC(=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@H1][C@@H1][Branch2][Ring1][C][C][C][C][=C][C][=Branch1][C][=O][C][C][C@@][Ring1][#Branch1][Ring1][O][C][O][C@@H1][Ring1][P][C][C][C][Ring2][Ring1][Ring2][=O]

The molecule is a 19-hydroxy steroid, a 3-oxo steroid, a 17-oxo steroid and an androstanoid. It has a role as a mouse metabolite.

SMILES: CC12CCC3C(CCC4=CC(=O)CCC43CO)C1CCC2=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][=N][C][=N][C][=C][Ring1][=Branch1][N][=C][N][Ring1][Branch1][C@@H1][O][C@H1][Branch2][Ring1][Ring1][C][O][P][=Branch1][C][=O][Branch1][C][O-1][O][P][=Branch1][C][=O][Branch1][C][O-1][O-1][C@@H1][Branch1][C][O][C@H1][Ring1][S][O]

The molecule is a nucleoside 5'-diphosphate(3-) arising from deprotonation of all three diphosphate OH groups of adenosine 5'-diphosphate (ADP); major species present at pH 7.3. It has a role as a human metabolite and a fundamental metabolite. It is a conjugate base of an ADP and an ADP(2-).

SMILES: Nc1ncnc2c1ncn2C1OC(COP(=O)([O-])OP(=O)([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][C][C][C][C][C][C][=Branch1][C][=O][O][C@H1][Branch2][Ring1][#Branch1][C][O][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-42:2 in which the alkyl and acyl groups specified at positions 1 and 2 are icosyl and (13Z,16Z)-docosadienoyl respectively. It is a phosphatidylcholine O-42:2 and a 2-acyl-1-alkyl-sn-glycero-3-phosphocholine. It derives from a (13Z,16Z)-docosadienoic acid.

SMILES: CCCCCC=CCC=CCCCCCCCCCCCC(=O)OC(COCCCCCCCCCCCCCCCCCCCC)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][Branch2][Branch1][C][C][C][C@@H1][Branch1][C][C][C@H1][C][C][C@@][Branch1][C][C][C@@H1][C][C][C@H1][C][Branch1][C][C][Branch1][C][C][C@@H1][Branch1][C][O][C][C][C@@][Ring1][=Branch2][C][C@@][Ring1][=C][Ring1][Ring1][C][C][C@][Ring2][Ring1][=Branch1][Ring2][Ring1][Ring1][C][C][Branch1][C][C][C]

The molecule is a pentacyclic triterpenoid that is (9beta)-24-methylene-9,19-cyclolanostane which carries a hydroxy group at position 3beta. It is isolated from several plant species including Euphorbia, Epidendrum, Psychotria and Sideritis. It has a role as a plant metabolite. It is a pentacyclic triterpenoid and a 3beta-hydroxy steroid. It derives from a hydride of a cycloartane.

SMILES: C=C(CCC(C)C1CCC2(C)C3CCC4C(C)(C)C(O)CCC45CC35CCC12C)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][N][C@@H1][C@@H1][Branch2][=Branch2][S][O][C@@H1][O][C@H1][Branch1][Ring1][C][O][C@H1][Branch1][C][O][C@H1][Branch2][Branch2][O][O][C@@H1][O][C@H1][Branch1][Ring1][C][O][C@@H1][Branch2][Ring1][Ring2][O][C@@H1][O][C@@H1][Branch1][C][C][C@@H1][Branch1][C][O][C@@H1][Branch1][C][O][C@@H1][Ring1][=Branch2][O][C@H1][Branch2][Branch1][=C][O][C@@H1][O][C@H1][Branch1][Ring1][C][O][C@H1][Branch1][C][O][C@H1][Branch2][Ring2][=Branch2][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][Ring2][Ring1][=C][O][C@H1][Ring2][Branch1][Ring1][N][C][Branch1][C][C][=O][C@H1][Ring2][Branch1][P][O][C@H1][Branch2][Ring1][Ring2][O][C@@H1][O][C@@H1][Branch1][C][C][C@@H1][Branch1][C][O][C@@H1][Branch1][C][O][C@@H1][Ring1][=Branch2][O][C@@H1][Branch1][Ring1][C][O][O][C@H1][Ring2][#Branch1][=Branch1][O]

The molecule is a branched amino heptasaccharide consisting of a linear sequence of N-acetyl-alpha-neuraminyl, beta-D-galactosyl, N-acetyl-beta-D-glucosaminyl, beta-D-galactosyl and N-acetyl-beta-D-glucosamine residues linked respectively (2->3), (1->3), (1->3) and (1->4), to each N-acetyl-beta-D-glucosamine residue of which is also linked (1->4) an alpha-L-fucosyl residue. It has a role as an epitope. It is an amino heptasaccharide and a glucosamine oligosaccharide.

SMILES: CC(=O)NC1C(O)CC(OC2C(O)C(CO)OC(OC3C(NC(C)=O)C(OC4C(O)C(CO)OC(OC5C(NC(C)=O)C(O)OC(CO)C5OC5OC(C)C(O)C(O)C5O)C4O)OC(CO)C3OC3OC(C)C(O)C(O)C3O)C2O)(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>

[O][C][C][=C][C][Branch2][Ring1][=C][C@@H1][Branch1][C][O][C][NH2+1][C][C][C][C][C][C][O][C][C][O][C][C][=C][Branch1][C][Cl][C][=C][C][=C][Ring1][#Branch1][Cl][=C][C][=C][Ring2][Ring1][=N][O]

The molecule is an organic cation that is the conjugate acid of vilanterol, obtained by protonation of the secondary amino group. It is an organic cation and an ammonium ion derivative. It is a conjugate acid of a vilanterol.

SMILES: OCc1cc(C(O)C[NH2+]CCCCCCOCCOCc2c(Cl)cccc2Cl)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>

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

The molecule is an L-arginyl ester obtained by formal condensation of the carboxy group of L-arginine with the 3'-hydroxy group of AMP. It has a role as a Mycoplasma genitalium metabolite. It is an adenosine 5'-phosphate, a L-arginine ester and a purine ribonucleoside 5'-monophosphate. It derives from an adenosine 5'-monophosphate.

SMILES: NC(N)=NCCCC(N)C(=O)OC1C(COP(=O)(O)O)OC(n2cnc3c(N)ncnc32)C1O