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][O][C][=C][Branch1][C][O][C][=C][C][=Branch1][P][=C][Branch1][C][O][C][=C][Branch1][C][O][C][Ring1][Branch2][=C][Ring1][=N][O][C][Branch1][C][C][=C][C][Ring1][#C][=O]

The molecule is an organic tricyclic compound that is 1H-phenalen-1-one which is substituted by hydroxy groups at positions 3,4,7, and 9, by a methoxy group at position 2, and by a methyl group at position 6. It is a collagenase inhibitor produced by Aspergillus niger. It has a role as an EC 3.4.24.3 (microbial collagenase) inhibitor and an Aspergillus metabolite. It is an organic tricyclic compound, an enone and a member of phenols. It derives from a hydride of a phenalene.

SMILES: COc1c(O)c2c3c(c(O)cc(O)c3c1O)C(C)=CC2=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][O][C][=Branch1][C][=O][C@H1][Branch1][#Branch2][C][C][=C][C][=C][C][=C][Ring1][=Branch1][N][C][=Branch1][C][=O][C@H1][Branch1][#Branch1][C][C][=Branch1][C][=O][O][N][C][C][C][Branch1][C][C][Branch1][C][C][C]

The molecule is a dipeptide composed of N-(3,3-dimethylbutyl)-L-aspartic acid and methyl L-phenylalanate units joined by a peptide linkage. It has a role as an environmental contaminant, a xenobiotic and a sweetening agent.

SMILES: COC(=O)C(Cc1ccccc1)NC(=O)C(CC(=O)O)NCCC(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][C][=C][Branch1][C][C][C][=Branch1][C][=O][N][C][Ring1][#Branch1][C][C][NH1][C][Branch2][Ring2][N][C][C][NH1][C][=C][Branch1][Branch1][C][=Ring1][Branch1][C][C][=Branch1][C][=O][C][/C][Ring1][Branch2][=C][/N][C@H1][Branch1][=Branch1][C][=Branch1][C][=O][O-1][C@@H1][Branch1][C][C][C@@H1][Ring1][=Branch2][C][C][C][=Branch1][C][=O][O-1][=C][Branch1][Ring1][C][C][C][=Ring2][Ring1][S][C]

The molecule is a dicarboxylic acid dianion that results from the removal of a proton from each of the carboxylic acid groups of dinoflagellate luciferin. It is a conjugate base of a dinoflagellate luciferin(1-).

SMILES: C=CC1=C(C)C(=O)NC1Cc1[nH]c(Cc2[nH]c3c(c2C)C(=O)CC3=C2NC(C(=O)[O-])C(C)C2CCC(=O)[O-])c(CC)c1C
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][As][Branch1][C][O-1][O-1]

The molecule is an arsenic oxoanion obtained deprotonation of both arsenite OH groups of methylarsonous acid. It derives from an arsonite(2-). It is a conjugate base of a methylarsonous acid.

SMILES: C[As]([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][/C][=C][Branch1][O][/C][=C][Branch1][C][\O-1][C][=Branch1][C][=O][O-1][C][=Branch1][C][=O][O-1]

The molecule is tricarboxylate anion of 4-carboxy-2-hydroxyhexa-2,4-dienedioic acid; major species at pH 7.3. It is a conjugate base of a 4-carboxy-2-hydroxyhexa-2,4-dienedioic acid.

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

The molecule is a steroid saponin isolated from Ornithogalum thyrsoides and has been shown to exhibit cytotoxic activity. It has a role as a metabolite and an antineoplastic agent. It is a beta-D-glucoside, a 17-hydroxy steroid, an acetate ester, a benzoate ester, a cholestanoid and a steroid saponin. It derives from a 3,4,5-trimethoxybenzoic acid.

SMILES: COc1cc(C(=O)OC2C(OC3C(O)COC(OC4CC5C6CC=C7CC(OC8OC(COC9OC(CO)C(OC%10OC(CO)C(O)C(O)C%10O)C(O)C9O)C(O)C(O)C8O)CCC7(C)C6CCC5(C)C4(O)C(C)C(=O)CCC(C)C)C3OC(C)=O)OCC(O)C2O)cc(OC)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][C][=Branch1][C][=O][C][=C][Ring1][#Branch1][C][C][C@@H1][C@@H1][Ring1][O][C][=Branch1][C][=O][C][C@@][Branch1][C][C][C@H1][Ring1][Branch2][C][C][C@][Ring1][=Branch1][Branch1][C][O][C][=Branch1][C][=O][C][=O]

The molecule is a C21-steroid that is cortisone in which the 21-hydroxy group has been oxidised to the corresponding aldehyde. It is a 21-oxo steroid, a 17alpha-hydroxy steroid, a 20-oxo steroid, a 3-oxo-Delta(4) steroid, a C21-steroid, an 11-oxo steroid, a steroid aldehyde and a tertiary alpha-hydroxy ketone. It derives from a progesterone. It derives from a hydride of a 5alpha-pregnane.

SMILES: CC12CCC(=O)C=C1CCC1C2C(=O)CC2(C)C1CCC2(O)C(=O)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][C][C][=N][C][=C][N][Ring1][Branch1][C][=C][C][=C][Branch1][C][Cl][C][=C][Ring1][#Branch1][C][Branch1][#Branch2][C][=C][C][=C][C][=C][Ring1][=Branch1][F][=N][C][Ring2][Ring1][Ring1][O]

The molecule is an imidazobenzodiazepine that is midazolam which is substituted by a hydroxy group at positions 2 and 4. It is the minor metabolite of the anesthetic, midazolam. It has a role as a drug metabolite. It is an imidazobenzodiazepine, a member of monofluorobenzenes, an organochlorine compound and an aromatic primary alcohol. It derives from a midazolam.

SMILES: OCc1ncc2n1-c1ccc(Cl)cc1C(c1ccccc1F)=NC2O
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][Ring2][C][C][C][=C][C][=Branch1][C][=O][C@H1][Branch1][C][F][C][C@@][Ring1][Branch2][Ring1][N][C][C@@H1][Ring1][P][C][C][C@@H1][Ring2][Ring1][Ring2][O]

The molecule is an androstanoid that is androst-4-ene substituted by an alpha-fluoro group at position 2 and a beta-hydroxy group at position 17. It is a 3-oxo-Delta(4) steroid, a 17beta-hydroxy steroid, a fluorinated steroid and an androstanoid. It derives from a testosterone.

SMILES: CC12CC(F)C(=O)C=C1CCC1C2CCC2(C)C(O)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>

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

The molecule is an imidazolium ion that is imidazolium cation substituted by a bis(4-chlorophenyl)methyl group at position 1 and a 2-[(2,4-dichlorobenzyl)oxy]-2-(2,4-dichlorophenyl)ethyl group at position 3. It acts as an inhibitor of calmodulin, a calcium binding messenger protein. It has a role as an inhibitor.

SMILES: Clc1ccc(C(c2ccc(Cl)cc2)n2cc[n+](CC(OCc3ccc(Cl)cc3Cl)c3ccc(Cl)cc3Cl)c2)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][N][C][C][N][Branch2][Ring1][Ring2][C][Branch1][=Branch2][C][=C][C][=C][C][=C][Ring1][=Branch1][C][=C][C][=C][C][=C][Ring1][=Branch1][C][C][Ring2][Ring1][Ring1]

The molecule is an N-alkylpiperazine in which one nitrogen of the piperazine ring is substituted by a methyl group, while the other is substituted by a diphenylmethyl group. It has a role as an antiemetic, a cholinergic antagonist, a central nervous system depressant, a local anaesthetic and a H1-receptor antagonist.

SMILES: CN1CCN(C(c2ccccc2)c2ccccc2)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][Branch1][C][C][=C][C][C][/C][Branch1][C][C][=C][/C][C][/C][Branch1][C][C][=C][/C][C][/C][Branch1][C][C][=C][\C][C][/C][Branch1][C][C][=C][\C][C][/C][Branch1][C][C][=C][\C][C][/C][Branch1][C][C][=C][\C][C][/C][Branch1][C][C][=C][\C][C][/C][Branch1][C][C][=C][\C][C][/C][Branch1][C][C][=C][\C][C][/C][Branch1][C][C][=C][\C][C][/C][Branch1][C][C][=C][\C][O][P][=Branch1][C][=O][Branch1][C][O-1][O][C@@H1][O][C@H1][Branch1][=Branch1][C][=Branch1][C][=O][O-1][C@H1][Branch1][C][O][C@H1][Branch1][C][O][C@H1][Ring1][O][O]

The molecule is a monocarboxylic acid anion and organophosphate oxoanion resulting from the deprotonation of both the carboxy group and the phosphate group of ditrans,polycis-dodecaprenyl phosphate-GalA. The major species at pH 7.3. It is an organophosphate oxoanion and a monocarboxylic acid anion. It is a conjugate base of a ditrans,polycis-dodecaprenyl phosphate-GalA.

SMILES: CC(C)=CCCC(C)=CCCC(C)=CCCC(C)=CCCC(C)=CCCC(C)=CCCC(C)=CCCC(C)=CCCC(C)=CCCC(C)=CCCC(C)=CCCC(C)=CCOP(=O)([O-])OC1OC(C(=O)[O-])C(O)C(O)C1O
You are a professional chemist. Your task is to generate a natural, concise, and chemically accurate description of a given molecule.

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

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

[F-1].[K+1]

The molecule is a fluoride salt having K+ as the counterion. It has a role as a poison. It is a fluoride salt and a potassium salt.

SMILES: [F-].[K+]
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][N][Branch1][N][C][=Branch1][C][=O][N][C][C][C][C][Ring1][Branch1][C][C@@H1][Ring1][=N][N][Branch1][C][C][C][=N][C][=N][C][NH1][C][=C][C][Ring1][=Branch2][=Ring1][Branch1]

The molecule is a pyrrolopyrimidine that is 7H-pyrrolo[2,3-d]pyrimidine substituted at position 4 by a methyl[(3R,4R)-4-methyl-1-(pyrrolidin-1-ylcarbonyl)piperidin-3-yl]nitrilo group. It is a potent JAK3-selective chemical probe. It has a role as an EC 2.7.10.2 (non-specific protein-tyrosine kinase) inhibitor. It is a pyrrolopyrimidine, a tertiary amino compound, a N-acylpiperidine and a N-acylpyrrolidine.

SMILES: CC1CCN(C(=O)N2CCCC2)CC1N(C)c1ncnc2[nH]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][C][C][C][C][C][C][C][Branch1][C][O][C][C][=Branch1][C][=O][O-1]

The molecule is a 3-hydroxy fatty acid anion that is the conjugate base of 3-hydroxydecanoic acid, obtained by deprotonation of the carboxy group; major species at pH 7.3. It is a hydroxy saturated fatty acid anion, a medium-chain fatty acid anion and a 3-hydroxy fatty acid anion. It is a conjugate base of a 3-hydroxydecanoic acid.

SMILES: CCCCCCCC(O)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@@H1][Branch1][C][O][C@H1][Branch1][=N][N][C][=Branch1][C][=O][C@@H1][C][C][C][N][Ring1][Branch1][C][=Branch1][C][=O][O]

The molecule is a dipeptide obtained by formal condensation of the carboxy group of L-proline with the amino group of L-threonine. It derives from a L-threonine and a L-proline.

SMILES: CC(O)C(NC(=O)C1CCCN1)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][Branch1][C][C][C@@H1][Branch1][C][O][C][C][C@][Branch1][C][C][C@H1][C][=Branch1][C][=O][C][=C][C@@H1][C][C@@][Branch1][C][C][Branch1][Ring1][C][=O][C][C][C@][Ring1][=Branch2][Branch1][C][C][C][C][C@@][Ring1][=C][Branch1][C][C][C@][Ring2][Ring1][Ring2][Branch1][C][C][C][C][C@@H1][Ring2][Ring1][S][Ring2][Ring1][#Branch2]

The molecule is a pentacyclic triterpenoid that is beta-amyrin carrying two oxo substituents at positions 11 and 30. It is a cyclic terpene ketone and a pentacyclic triterpenoid. It derives from a beta-amyrin.

SMILES: CC1(C=O)CCC2(C)CCC3(C)C(=CC(=O)C4C5(C)CCC(O)C(C)(C)C5CCC43C)C2C1