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][Ring1][#Branch1][C][O][C][=Branch1][C][=O][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 1-acyl group is heptadecanoyl while the 2- and 3-acyl groups are oleoyl. It has a role as a human blood serum metabolite. It is a triacyl-sn-glycerol and a triacylglycerol 53:2.

SMILES: CCCCCCCCC=CCCCCCCCC(=O)OCC(COC(=O)CCCCCCCCCCCCCCCC)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>

[O][=C][C][=C][Branch2][Ring1][C][C][=C][C][Branch1][C][O][=C][Branch1][C][O][C][Branch1][C][O][=C][Ring1][=Branch2][O][C][=C][C][Branch1][C][O][=C][C][Branch1][C][O][=C][Ring2][Ring1][Branch1][Ring1][Branch2]

The molecule is flavone hydroxylated at positions 3', 4', 5, 5' and 7. It has a role as an antineoplastic agent and a metabolite. It is a conjugate acid of a tricetin(1-).

SMILES: O=c1cc(-c2cc(O)c(O)c(O)c2)oc2cc(O)cc(O)c12
You are a professional chemist. Your task is to generate a natural, concise, and chemically accurate description of a given molecule.

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

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

[C][C][Branch1][C][C][=C][C][C][C][=Branch1][C][=O][C][C][=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-1][O][P][=Branch1][C][=O][Branch1][C][O-1][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-1][O-1]

The molecule is a 3-oxo-fatty acyl-CoA(4-) arising from deprotonation of the phosphate and diphosphate groups of 7-methyl-3-oxooct-6-enoyl-CoA; major species at pH 7.3. It is a conjugate base of a 7-methyl-3-oxooct-6-enoyl-CoA.

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

The molecule is a proline derivative that is 4-(phenylsulfanyl)-L-proline in which the amine proton is replaced by a (2S)-2-methyl-3-sulfanylpropanoyl group. The active metabolite of zofenopril. It has a role as an anticonvulsant, an apoptosis inhibitor, a cardioprotective agent, an EC 3.4.15.1 (peptidyl-dipeptidase A) inhibitor, a drug metabolite and a vasodilator agent. It is a N-acyl-L-amino acid, an aryl sulfide, a thiol and a L-proline derivative. It is a conjugate acid of a zofenoprilat(1-).

SMILES: CC(CS)C(=O)N1CC(Sc2ccccc2)CC1C(=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][Branch1][C][C][C][C][C][C@][Branch1][N][C][=C][C][=C][Branch1][C][F][C][=C][Ring1][#Branch1][O][C][C][=C][C][Branch1][Ring1][C][#N][=C][C][=C][Ring1][Branch2][Ring2][Ring1][C]

The molecule is a 1-[3-(dimethylamino)propyl]-1-(4-fluorophenyl)-1,3-dihydro-2-benzofuran-5-carbonitrile that has R-configuration at the chiral centre. It is the inactive enantiomer of citalopram. It is a conjugate base of a (R)-citalopram(1+). It is an enantiomer of an escitalopram.

SMILES: CN(C)CCCC1(c2ccc(F)cc2)OCc2cc(C#N)ccc21
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][O][C][C@H1][Branch2][Ring1][Ring1][O][C@H1][C][C@H1][Branch1][C][NH3+1][C@H1][Branch1][C][O][C@H1][Branch1][C][C][O][Ring1][=Branch2][C][=C][Branch1][C][O][C][=C][Branch1][P][C][Branch1][C][O][=C][Ring1][Branch2][C@H1][Ring2][Ring1][#Branch1][C][=Branch1][C][=O][O-1][C][=Branch1][C][=O][C][=C][C][=C][C][Branch1][Ring1][O][C][=C][Ring1][Branch2][C][Ring2][Ring1][Ring2][=O]

The molecule is a zwitterion obtained by transfer of a proton from the carboxy to the primary amino group of 10-carboxy-13-deoxydaunorubicin; major species at pH 7.3. It is a tautomer of a 10-carboxy-13-deoxydaunorubicin.

SMILES: CCC1(O)CC(OC2CC([NH3+])C(O)C(C)O2)c2c(O)c3c(c(O)c2C1C(=O)[O-])C(=O)c1cccc(OC)c1C3=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][=C][Branch2][Ring1][N][N][=C][N][Ring1][Branch1][C@H1][C][C@H1][Branch1][C][O][C@@H1][Branch1][O][C][O][P][=Branch1][C][=O][Branch1][C][O-1][O-1][O][Ring1][N][C][=Branch1][C][=O][NH1][Ring2][Ring1][=Branch1]

The molecule is a 2'-deoxyribonucleoside 5'-monophosphate(2-) obtained by deprotonation of the phosphate OH groups of 2'-deoxyguanosine 5'-monophosphate (dGMP). It has a role as a human metabolite and a Saccharomyces cerevisiae metabolite. It is a 2'-deoxynucleoside 5'-monophosphate(2-) and a purine 2'-deoxyribonucleoside 5'-phosphate(2-). It is a conjugate base of a 2'-deoxyguanosine 5'-monophosphate.

SMILES: Nc1nc2c(ncn2C2CC(O)C(COP(=O)([O-])[O-])O2)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>

[NH3+1][C@H1][C@@H1][Branch2][Ring1][Ring2][O][C@H1][C@H1][Branch1][C][O][C@@H1][Branch1][C][O][C@H1][Branch1][C][NH3+1][C][C@@H1][Ring1][=Branch2][NH3+1][O][C@H1][Branch1][Ring1][C][=O][C@@H1][Branch1][C][O][C@@H1][Ring2][Ring1][Ring2][O]

The molecule is an ammonium ion resulting from the protonation of all three amino groups of 6'-oxoparomamine. The major species at pH 7.3. It is a conjugate acid of a 6'-oxoparomamine.

SMILES: [NH3+]C1CC([NH3+])C(OC2OC(C=O)C(O)C(O)C2[NH3+])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][=N+1][Branch1][C][O-1][C][=C][C][=C][Branch1][#Branch2][O][S][=Branch1][C][=O][=Branch1][C][=O][O-1][C][=C][Ring1][O]

The molecule is an aryl sulfate oxoanion resulting from the deprotonation of the sulfooxy group of 4-nitrophenyl hydrogen sulfate. The major microspecies at pH 7.3. It derives from a 4-nitrophenol. It is a conjugate base of a 4-nitrophenyl hydrogen sulfate.

SMILES: O=[N+]([O-])c1ccc(OS(=O)(=O)[O-])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][Branch2][Ring2][O][C][C@@H1][Branch1][C][O][C@@H1][Branch1][C][C][C@H1][C][C][C@H1][C@@H1][C][C][C][=C][C][=Branch1][C][=O][C][C][C@][Ring1][#Branch1][Branch1][C][C][C@H1][Ring1][N][C][C][C@][Ring2][Ring1][Ring1][Ring1][S][C][C][Branch1][C][C][C]

The molecule is a 3-oxo steroid that is stigmast-4-en-3-one substituted by a hydroxy group at position 22 (the 22R stereoisomer). Isolated from the whole plants of Haloxylon recurvum, it exhibits chymotrypsin inhibitory activity. It has a role as a metabolite and an EC 3.4.21.1 (chymotrypsin) inhibitor. It is a 22-hydroxy steroid and a 3-oxo-Delta(4) steroid. It derives from a hydride of a stigmastane.

SMILES: CCC(CC(O)C(C)C1CCC2C3CCC4=CC(=O)CCC4(C)C3CCC12C)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][Branch1][Ring2][C][C][O][C][C][=Branch1][C][=O][O]

The molecule is the (R)-enantiomer of mevalonic acid. It is a conjugate acid of a (R)-mevalonate. It is an enantiomer of a (S)-mevalonic acid.

SMILES: CC(O)(CCO)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][C][C][C][C][C][C][C][C][C][=Branch1][C][=O][O][C][Branch1][Ring1][C][O][C][O]

The molecule is a 2-monoglyceride where the acyl group is hexadecanoyl (palmitoyl). It has a role as an algal metabolite. It derives from a hexadecanoic acid.

SMILES: CCCCCCCCCCCCCCCC(=O)OC(CO)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>

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

The molecule is conjugate base of thyroxine sulfate having anionic carboxy and sulfate groups and the amino group protonated. It is a 3,3',5-triiodo-L-thyroninate and a phenyl sulfate oxoanion. It is a conjugate base of a thyroxine sulfate.

SMILES: [NH3+]C(Cc1cc(I)c(Oc2cc(I)c(OS(=O)(=O)[O-])c(I)c2)c(I)c1)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>

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

The molecule is a purine ribonucleoside 5'-tetraphosphate compound having 5'-xanthosyl residues at the P(1)- and P(4)-positions. It has a role as a mouse metabolite. It is a purine ribonucleoside 5'-tetraphosphate and a xanthosine 5'-phosphate.

SMILES: O=c1[nH]c(=O)c2ncn(C3OC(COP(=O)(O)OP(=O)(O)OP(=O)(O)OP(=O)(O)OCC4OC(n5cnc6c(=O)[nH]c(=O)[nH]c65)C(O)C4O)C(O)C3O)c2[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@H1][Branch2][Ring1][C][C][C][C][=Branch1][C][=O][N][C][C][S][=Branch1][C][=O][=Branch1][C][=O][O][C@H1][C][C][C@H1][C@@H1][C@@H1][Branch1][C][O][C][C@@H1][C][C@H1][Branch1][C][O][C][C][C@][Ring1][#Branch1][Branch1][C][C][C@H1][Ring1][=N][C][C@H1][Branch1][C][O][C@][Ring2][Ring1][Branch1][Ring2][Ring1][C][C]

The molecule is a bile acid taurine conjugate of ursocholic acid. It has a role as a human metabolite and a rat metabolite. It derives from an ursocholic acid. It is a conjugate acid of a tauroursocholate.

SMILES: CC(CCC(=O)NCCS(=O)(=O)O)C1CCC2C3C(O)CC4CC(O)CCC4(C)C3CC(O)C12C
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][C][C][=C][C][=C][Branch1][C][O][C][=C][Ring1][#Branch1]

The molecule is an ammonium ion that is the conjugate acid of tyramine; major species at pH 7.3. It has a role as a neurotransmitter and a human metabolite. It is a monoamine molecular messenger and an ammonium ion derivative. It is a conjugate acid of a tyramine.

SMILES: [NH3+]CCc1ccc(O)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@@][Branch1][C][C][Branch1][C][O][C][C][C@@H1][C][=Branch1][C][=C][C][C][C@@H1][C][Branch1][C][C][Branch1][C][C][C][C][C][C@@][Ring1][=N][Ring1][Branch2][C]

The molecule is a labdane diterpenoid in which the labdane skeleton has double bonds at positions 8(17) and 14 and carries an S-hydroxy group at position 13. It has a role as a metabolite. It is a tertiary alcohol and a labdane diterpenoid.

SMILES: C=CC(C)(O)CCC1C(=C)CCC2C(C)(C)CCCC12C
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][Branch1][#Branch2][C][C][=C][C][=C][C][=C][Ring1][=Branch1][C][=Branch1][C][=O][O]

The molecule is the N-acetyl derivative of L-phenylalanine. It has a role as a metabolite. It is a N-acyl-L-phenylalanine, a N-acetyl-L-amino acid and a N-acetylphenylalanine. It is a conjugate acid of a N-acetyl-L-phenylalaninate. It is an enantiomer of a N-acetyl-D-phenylalanine.

SMILES: CC(=O)NC(Cc1ccccc1)C(=O)O