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][Branch1][C][O][C][=C][Ring1][#Branch1]

The molecule is a member of the class of phenols that is phenol which is para-substituted with a nonyl group. It has a role as an environmental contaminant.

SMILES: CCCCCCCCCc1ccc(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][O][C][=C][C][=C][Branch2][#Branch1][Branch2][C][C@@H1][C][=C][C][Branch1][Ring1][O][C][=C][Branch1][Ring1][O][C][C][=C][Ring1][#Branch2][C][C][N@+1][Ring1][=C][Branch1][C][C][C][C][C][=Branch1][C][=O][O][C][C][C][C][C][O][C][=Branch1][C][=O][C][C][N@@+1][Branch1][C][C][C][C][C][=C][C][Branch1][Ring1][O][C][=C][Branch1][Ring1][O][C][C][=C][Ring1][#Branch2][C@H1][Ring1][#C][C][C][=C][C][=C][Branch1][Ring1][O][C][C][Branch1][Ring1][O][C][=C][Ring1][#Branch2][C][=C][Ring2][Branch1][#C][O][C]

The molecule is a diester that is the (1R,1'R,2R,2'R)-diastereoisomer of atracurium, a quaternary ammonium ion consisting of pentane-1,5-diol with both hydroxy functions bearing 3-[1-(3,4-dimethoxybenzyl)-6,7-dimethoxy-2-methyl-3,4-dihydroisoquinolinium-2(1H)-yl]propanoyl groups. The active species in the skeletal muscle relaxant cisatracurium besylate. It has a role as a muscle relaxant and a nicotinic antagonist. It is a diester and a quaternary ammonium ion.

SMILES: COc1ccc(CC2c3cc(OC)c(OC)cc3CC[N+]2(C)CCC(=O)OCCCCCOC(=O)CC[N+]2(C)CCc3cc(OC)c(OC)cc3C2Cc2ccc(OC)c(OC)c2)cc1OC
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][C][=C][C][=C][NH1][Ring1][Branch1]

The molecule is a pyrrole carrying an acetyl substituent at the 2-position. It is a member of pyrroles, a methyl ketone and an aromatic ketone.

SMILES: CC(=O)c1ccc[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][Branch1][C][O][C][/C][=Branch1][O][=N][\O][S][=Branch1][C][=O][=Branch1][C][=O][O][S][C@@H1][O][C@H1][Branch1][Ring1][C][O][C@@H1][Branch1][C][O][C@H1][Branch1][C][O][C@H1][Ring1][#Branch2][O]

The molecule is a hydroxy-alkylglucosinolic acid that consists of 1-thio-beta-D-glucopyranose attached to a 3-hydroxy-3-methyl-N-(sulfooxy)butanimidoyl group at the anomeric sulfur. It derives from an isobutylglucosinolic acid. It is a conjugate acid of a glucoconringiin(1-).

SMILES: CC(C)(O)CC(=NOS(=O)(=O)O)SC1OC(CO)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>

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

The molecule is an N-acylpiperidine obtained by formal condensation of the carboxy group of 5-[(3-methoxyphenoxy)methyl]-1,2-oxazole-3-carboxylic acid with the secondary amino group of 4-(pyridin-4-yl)piperidine. It has a role as a P450 inhibitor. It is a N-acylpiperidine, an aromatic amide, an aromatic ether, a member of isoxazoles, a member of pyridines and a ring assembly.

SMILES: COc1cccc(OCc2cc(C(=O)N3CCC(c4ccncc4)CC3)no2)c1
You are a professional chemist. Your task is to generate a natural, concise, and chemically accurate description of a given molecule.

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

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

[C][C][=C][C][Branch2][Branch1][=Branch2][C][=C][C][=C][Branch2][Ring2][#Branch2][N][=N][C][=C][C][=C][C][Branch1][=Branch2][S][=Branch1][C][=O][=Branch1][C][=O][O-1][=C][C][Branch1][=Branch2][S][=Branch1][C][=O][=Branch1][C][=O][O-1][=C][Branch1][C][N][C][Ring1][#C][=C][Ring2][Ring1][Ring1][O][C][Branch1][C][C][=C][Ring2][Ring1][=N][=C][C][=C][Ring2][Ring2][Ring1][N][=N][C][=C][C][=C][C][Branch1][=Branch2][S][=Branch1][C][=O][=Branch1][C][=O][O-1][=C][C][Branch1][=Branch2][S][=Branch1][C][=O][=Branch1][C][=O][O-1][=C][Branch1][C][N][C][Ring1][#C][=C][Ring2][Ring1][Ring1][O].[Na+1].[Na+1].[Na+1].[Na+1]

The molecule is an organic sodium salt that is the tetrasodium salt of 6,6'-{(3,3'-dimethyl[1,1'-biphenyl]-4,4'-diyl)bis[diazene-2,1-diyl]}bis(4-amino-5-hydroxynaphthalene-1,3-disulfonate). It is sometimes used as a counterstain, especially in fluorescent methods to suppress background autofluorescence. It has a role as a histological dye, a fluorochrome, a teratogenic agent and a sodium channel blocker. It contains an Evans blue(4-).

SMILES: Cc1cc(-c2ccc(N=Nc3ccc4c(S(=O)(=O)[O-])cc(S(=O)(=O)[O-])c(N)c4c3O)c(C)c2)ccc1N=Nc1ccc2c(S(=O)(=O)[O-])cc(S(=O)(=O)[O-])c(N)c2c1O.[Na+].[Na+].[Na+].[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>

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

The molecule is an N-substituted amine that is a derivative of aniline in which one of the amino hydrogen atoms is replaced with a hydroxy substituent.

SMILES: ONc1ccccc1
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][O][C][C][C][C][C][C][=Branch1][C][=O][O][O][C@@H1][O][C@@H1][Branch1][C][C][C@H1][Branch1][C][O][C][C@H1][Ring1][Branch2][O]

The molecule is an (omega-1)-hydroxy fatty acid ascaroside obtained by formal condensation of the alcoholic hydroxy group of (7R)-7-hydroxyoctanoic acid with ascarylopyranose (the alpha anomer). It is a metabolite of the nematode Caenorhabditis elegans. It has a role as a Caenorhabditis elegans metabolite. It is a monocarboxylic acid and an (omega-1)-hydroxy fatty acid ascaroside. It derives from a (7R)-7-hydroxyoctanoic acid. It is a conjugate acid of an ascr#14(1-).

SMILES: CC(CCCCCC(=O)O)OC1OC(C)C(O)CC1O
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][C][=C][C][=C][Branch2][Ring1][Ring2][C][Branch1][C][O][=C][Ring1][#Branch1][C][=Branch1][C][=O][C][C@][Ring1][N][Branch1][C][C][O][C][=Branch1][C][=O][C][=C][Branch1][C][O][C][=C][C][=C][Ring1][#Branch1][C][Ring2][Ring1][Branch1][=O]

The molecule is a methyl ester derived from (1R,2S)-2,5,7-trihydroxy-2-methyl-4,6,11-trioxo-1,2,3,4,6,11-hexahydrotetracene-1-carboxylic acid. It has a role as a bacterial metabolite. It is a member of tetracenes, a methyl ester, a tertiary alcohol, a polyketide, a member of tetracenequinones and a member of p-quinones. It is a conjugate acid of a nogalaviketone(1-).

SMILES: COC(=O)C1c2cc3c(c(O)c2C(=O)CC1(C)O)C(=O)c1c(O)cccc1C3=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][O][C@H1][Branch2][Ring1][Branch1][O][C][C@H1][O][C@H1][Branch1][C][O][C@H1][Branch1][C][O][C@@H1][Branch1][C][O][C@@H1][Ring1][=Branch2][O][C@@H1][Branch1][C][O][C@H1][Branch1][C][O][C@@H1][Ring2][Ring1][Ring2][O]

The molecule is a glycosylglucose consisting of a beta-L-fucosyl residue and an alpha-D-glucopyranose residue joined in sequence by a (1->6) glycosidic bond. It derives from a beta-L-fucose and an alpha-D-glucose.

SMILES: CC1OC(OCC2OC(O)C(O)C(O)C2O)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>

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

The molecule is a 3-oxo-Delta(4) steroid that is progesterone substituted by hydroxy groups at positions 6, 16 and 17 (6beta,16alpha,17alpha-stereoisomer). It is a 16alpha-hydroxy steroid, a 20-oxo steroid, a 3-oxo-Delta(4) steroid, a C21-steroid, a 17alpha-hydroxy steroid and a tertiary alpha-hydroxy ketone. It derives from a progesterone. It derives from a hydride of a pregnane.

SMILES: CC(=O)C1(O)C(O)CC2C3CC(O)C4=CC(=O)CCC4(C)C3CCC21C
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@H1][C][C][C][N][C][Ring1][=Branch1][=N][C][Branch1][C][C][=C][Branch2][Ring1][=N][C][C][N][C][C][C][Branch1][P][C][=N][O][C][=C][C][Branch1][C][F][=C][C][=C][Ring1][#Branch2][Ring1][#Branch1][C][C][Ring1][S][C][Ring2][Ring1][=Branch2][=O]

The molecule is a 3-{2-[4-(6-fluoro-1,2-benzoxazol-3-yl)piperidin-1-yl]ethyl}-2-methyl-4-oxo-6,7,8,9-tetrahydropyrido[1,2-a]pyrimidin-9-yl hexadecanoate that is the (S)-enantiomer of paliperidone palmitate. It is an enantiomer of a (R)-paliperidone palmitate.

SMILES: CCCCCCCCCCCCCCCC(=O)OC1CCCn2c1nc(C)c(CCN1CCC(c3noc4cc(F)ccc34)CC1)c2=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][N][C@H1][C][C][C][N][=C][Branch1][C][N][S][C][=Ring1][=Branch1][C][Ring1][#Branch2].[Cl].[Cl].[O]

The molecule is a hydrate that is the monohydrate of the dihydrochloride salt of pramiprexole. It has a role as a dopamine agonist and an antiparkinson drug. It contains a member of pramipexole hydrochloride anhydrous and a pramipexole(2+).

SMILES: CCCNC1CCc2nc(N)sc2C1.Cl.Cl.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][C][C][C@@H1][Branch1][C][C][C][O][S][=Branch1][C][=O][=Branch1][C][=O][O-1]

The molecule is the (R)-enantiomer of 2,6-dimethylheptyl sulfate. It has been isolated from Daphnia pulex. It is a conjugate base of a (2R)-2,6-dimethylheptyl hydrogen sulfate. It is an enantiomer of a (2S)-2,6-dimethylheptyl sulfate.

SMILES: CC(C)CCCC(C)COS(=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][O][C][=Branch1][C][=O][C@@][C][=Branch1][C][=O][C][Branch1][C][C][=C][Branch1][C][O][C@][Ring1][Branch2][Branch1][C][C][C][Branch1][C][C][=C][C@H1][C@][Branch1][C][C][C][C][C][=Branch1][C][=O][C][Branch1][C][C][Branch1][C][C][C@H1][Ring1][#Branch2][C][C][C@@][Ring1][=C][Ring2][Ring1][#Branch2][C]

The molecule is a 3-oxo steroid that is andrastin C in which the acetoxy group at the 3beta position has undergone formal oxidative cleavage to afford the corresponding 3-oxo derivative. A farnesyltransferase inhibitor produced by Penicillium roqueforti, a filamentous fungus involved in the ripening of several kinds of blue cheeses. It has a role as a Penicillium metabolite and an EC 2.5.1.58 (protein farnesyltransferase) inhibitor. It is a 3-oxo steroid, a 15-hydroxy steroid, a 5beta steroid, a 17-oxo steroid, an enol, a meroterpenoid and a methyl ester. It is a conjugate acid of an andrastin D(1-).

SMILES: COC(=O)C12C(=O)C(C)=C(O)C1(C)C(C)=CC1C3(C)CCC(=O)C(C)(C)C3CCC12C
You are a professional chemist. Your task is to generate a natural, concise, and chemically accurate description of a given molecule.

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

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

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

The molecule is a nucleotide-amino acid that is the N(6)-L-threonylcarbamoyl derivative of 2-methylthioadenine 5'-monophosphate. It is a nucleotide-amino acid, a member of ureas, an aryl sulfide and a L-threonine derivative. It derives from an adenosine 5'-monophosphate.

SMILES: CSc1nc(NC(=O)NC(C(=O)O)C(C)O)c2ncn(C3OC(COP(=O)(O)O)C(O)C3O)c2n1
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][O][C@H1][C][=C][C][=C][Branch2][Ring2][#C][C][Branch1][Ring1][O][C][=C][Ring1][Branch2][C][=C][Branch1][P][C][=C][Branch1][Ring1][O][C][C][Branch1][Ring1][O][C][=C][Ring1][#Branch2][O][C][C@H1][Branch1][#Branch1][O][C][Branch1][C][C][=O][C@@H1][Branch1][C][C][C@H1][Ring2][Ring1][=N][C][O][C][O][Ring2][Ring1][=C]

The molecule is a lignan with a dibenzocyclooctadiene skeleton isolated from Kadsura ananosma It has a role as a plant metabolite. It is an acetate ester, an aromatic ether, a lignan, an organic heterotetracyclic compound, an oxacycle and a butyrate ester.

SMILES: CCCC(=O)OC1c2cc3c(c(OC)c2-c2c(cc(OC)c(OC)c2OC)C(OC(C)=O)C(C)C1C)OCO3