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>

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

The molecule is a pyrrolidinecarboxylic acid that is siolated from the poisonous mushroom Clitocybe amoenolens. It has a role as a NMDA receptor agonist, a fungal metabolite and a neurotoxin. It is a pyrrolidinecarboxylic acid, a tricarboxylic acid and a pyridone. It derives from a L-proline.

SMILES: O=C(O)CC1C(C(=O)O)NCC1c1ccc(C(=O)O)[nH]c1=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][NH1][C][=Branch1][C][=O][N][=C][C][=Ring1][#Branch1][N][=C][N][Ring1][Branch1][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]

The molecule is a purine ribonucleoside 5'-monophosphate that is the 2-oxo derivative of AMP. It derives from an adenosine 5'-monophosphate. It is a conjugate acid of a 2-oxo-AMP(2-). It is a tautomer of a 2-hydroxy-AMP.

SMILES: Nc1[nH]c(=O)nc2c1ncn2C1OC(COP(=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>

[O][=C][Branch1][C][O][C][C][=C][C][=Branch1][C][=O][NH1][C][=Branch1][C][=O][NH1][Ring1][Branch2]

The molecule is a monocarboxylic acid comprising uracil having a carboxymethyl substituent at the 6-position. It derives from a uracil and an acetic acid.

SMILES: O=C(O)Cc1cc(=O)[nH]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>

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

The molecule is a monomethoxyflavone that is the 8-O-methyl derivative of gossypetin. It is a pentahydroxyflavone, a member of flavonols and a monomethoxyflavone. It derives from a gossypetin. It is a conjugate acid of a 3',4',5,7-pentahydroxy-8-methoxyflavon-3-olate.

SMILES: COc1c(O)cc(O)c2c(=O)c(O)c(-c3ccc(O)c(O)c3)oc12
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][=Branch1][C][=O][C][Branch1][C][C][=C][C][Ring1][=Branch2][=O]

The molecule is a member of the class of monohydroxy-1,4-benzoquinones that is 1,4-benzoquinone which is substituted by a methoxy, hydroxy and methyl group at positions 2,3 and 5, respectively. It is a mycotoxin isolated from Aspergillus fumigatus. It has a role as an Aspergillus metabolite and a mycotoxin. It derives from a 2,3-dihydroxy-5-methyl-1,4-benzoquinone.

SMILES: COC1=C(O)C(=O)C(C)=CC1=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][=Branch1][C][=Branch1][C][=O][O-1][C][=Branch1][C][=O][O][C][Branch1][#Branch1][C][C][=Branch1][C][=O][O-1][C][N+1][Branch1][C][C][Branch1][C][C][C]

The molecule is a dicarboxylic acid monoanion that is the conjugate base of O-methylmalonylcarnitine; major species at pH 7.3. It is a conjugate base of an O-methylmalonylcarnitine.

SMILES: CC(C(=O)[O-])C(=O)OC(CC(=O)[O-])C[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][C][O][C][=C][C][=C][Branch1][#Branch1][C][C][=Branch1][C][=O][O][C][=C][Ring1][#Branch2][Cl]

The molecule is an aromatic ether in which the ether oxygen links an allyl group to the 4-position of (3-chlorophenyl)acetic acid.A non-steroidal anti-inflammatory drug, it was withdrawn from the UK market in 1979 due to concerns with its association with vasculitis and rash. It has a role as a non-steroidal anti-inflammatory drug, a non-narcotic analgesic and a drug allergen. It is an aromatic ether, a monocarboxylic acid and a member of monochlorobenzenes.

SMILES: C=CCOc1ccc(CC(=O)O)cc1Cl
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][Ring1][#Branch2][O][C@H1][C@H1][Branch1][C][O][C@@H1][Branch1][#Branch1][N][C][Branch1][C][C][=O][C][Branch1][C][O][O][C@@H1][Ring1][N][C][O][O][C@H1][Branch1][O][C][O][S][=Branch1][C][=O][=Branch1][C][=O][O][C@H1][Branch1][C][O][C@@H1][Ring2][Ring1][N][O]

The molecule is an amino disaccharide that consists of N-acetyl-D-glucosamine having an N-acetyl-6-O-sulfo-beta-D-galactosaminyl residue attached at O-4. It is an amino disaccharide, a glucosamine oligosaccharide and a galactosamine oligosaccharide.

SMILES: CC(=O)NC1C(O)OC(CO)C(OC2OC(COS(=O)(=O)O)C(O)C(O)C2NC(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>

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

The molecule is an O-sulfoamino acid that is L-tyrosine in which the phenolic hydrogen has been replaced by a sulfo group. It has a role as a human metabolite. It is an aryl sulfate, a L-tyrosine derivative and an O-sulfoamino acid. It is a conjugate acid of an O(4')-sulfo-L-tyrosinate(1-).

SMILES: NC(Cc1ccc(OS(=O)(=O)O)cc1)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][Branch1][C][O][C][=C][C][=C][N][=C][Branch1][#C][C][=C][C][Branch1][C][Cl][=C][C][Branch1][C][Cl][=C][Ring1][Branch2][O][C][Ring1][=N][=C][Ring1][P]

The molecule is a member of the class of 1,3-benzoxazoles that is 1,3-benzoxazole-6-carboxylic acid in which the hydrogen at position 2 is replaced by a 3,5-dichlorophenyl group. Used (as its meglumine salt) for the amelioration of transthyretin-related hereditary amyloidosis. It has a role as a central nervous system drug. It is a member of 1,3-benzoxazoles, a monocarboxylic acid and a dichlorobenzene. It is a conjugate acid of a tafamidis(1-).

SMILES: O=C(O)c1ccc2nc(-c3cc(Cl)cc(Cl)c3)oc2c1
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][Branch1][C][O][C][=Branch1][C][=O][O]

The molecule is a monohydroxy fatty acid with a lauric acid core substituted at position 2 by a hydroxy group, which confers chirality; a component of cellular lipids in Pseudomonas strains. It is a 2-hydroxy monocarboxylic acid and a 2-hydroxy fatty acid. It derives from a dodecanoic acid. It is a conjugate acid of a 2-hydroxydodecanoate.

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

The molecule is the (1R,1'S,2S,2'R) isomer of 2,2'-[(1,4-dioxobutane-1,4-diyl)bis(oxypropane-3,1-diyl)]bis[6,7,8-trimethoxy-2-methyl-1-(3,4,5-trimethoxybenzyl)-1,2,3,4-tetrahydroisoquinolinium]. It is the meso-isomer which has a trans configuration at the 1 and 2 positions of the tetrahydroisoquinolinium rings. It is a quaternary ammonium ion, a diester and a succinate ester.

SMILES: COc1cc(CC2c3c(cc(OC)c(OC)c3OC)CC[N+]2(C)CCCOC(=O)CCC(=O)OCCC[N+]2(C)CCc3cc(OC)c(OC)c(OC)c3C2Cc2cc(OC)c(OC)c(OC)c2)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>

[O][=C][Branch1][C][O-1][/C][=C][\C][Branch1][C][Cl][=C][Branch1][C][\Cl][C][=Branch1][C][=O][O-1]

The molecule is a 2,3-dichloromuconate(2-) obtained by deprotonation of the carboxy groups of (2Z,4Z)-2,3-dichloromuconic acid. Major species at pH 7.3 It is a conjugate base of a (2Z,4Z)-2,3-dichloromuconic acid.

SMILES: O=C([O-])C=CC(Cl)=C(Cl)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][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][O][C][C][Branch1][C][O][C][O][P][=Branch1][C][=O][Branch1][C][O][O][C][C@@H1][Branch2][Ring1][Branch2][C][O][C][=Branch1][C][=O][C][C][C][C][C][C][C][/C][=C][\C][C][C][C][C][C][C][C][O][C][=Branch1][C][=O][C][C][C][C][C][C][C][/C][=C][\C][C][C][C][C][C][C][C][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 derivative in which all four of the phosphatidyl acyl groups are specified as oleoyl. It has a role as an antigen. It is a conjugate acid of a tetraoleoyl cardiolipin(2-).

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

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

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

[N][C][C][C@@H1][Branch1][C][O][C][C@H1][Branch1][C][N][C][=Branch1][C][=O][O]

The molecule is a 4-hydrox-L-lysine that is L-lysine substituted at position 4 by a hydroxy group (the 4R-threo-stereoisomer). It is a conjugate base of a (4R)-4-hydroxy-L-lysine(1+).

SMILES: NCCC(O)CC(N)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][=C][Branch2][Ring2][P][C][=C][Branch1][C][O][C][=C][Branch1][Ring1][O][C][C][=C][Branch2][Ring1][Ring2][C][Branch1][Branch2][C][C][=C][Branch1][C][C][C][=C][Ring1][=N][O][C][Ring2][Ring1][C][=O][O][C][Branch1][C][C][Branch1][C][C][C][=C][Ring2][Ring1][C][C][=C][Ring2][Ring1][#C]

The molecule is a hydroxycoumarin that is 2H,8H-benzo[1,2-b:5,4-b']dipyran-2-one substituted by a hydroxy group at position 4, a methoxy group at position 5, 4-methoxyphenyl group at position 3 and two methyl groups at position 8 respectively. It has a role as a plant metabolite and an antiprotozoal drug. It is a hydroxycoumarin and a monomethoxybenzene.

SMILES: COc1ccc(-c2c(O)c3c(OC)c4c(c(CC=C(C)C)c3oc2=O)OC(C)(C)C=C4)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>

[N][C][=N][C][=N][C][=C][Ring1][=Branch1][C][=C][N][Ring1][Branch1][C@@H1][O][C@H1][Branch1][Ring1][C][O][C@@H1][Branch1][C][O][C@H1][Ring1][Branch2][O]

The molecule is an N-glycosylpyrrolopyrimidine that is adenosine in which the in the 5-membered ring that is not attached to the ribose moiety is replaced by a carbon. Tubercidin is produced in the culture broth of Streptomyces tubericidus. It has a role as an antineoplastic agent, a bacterial metabolite and an antimetabolite. It is a N-glycosylpyrrolopyrimidine, a ribonucleoside and an antibiotic antifungal agent.

SMILES: Nc1ncnc2c1ccn2C1OC(CO)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][C][C][C@H1][C][=Branch1][C][=O][N][C][C][C][C@H1][Ring1][Branch1][C@][Branch1][C][O][O][C@][Branch2][Ring2][#Branch1][N][C][=Branch1][C][=O][C@@H1][C][=C][C][=C][C][=C][C][NH1][C][Branch1][C][Br][=C][Branch1][=Branch1][C][Ring1][#Branch2][=Ring1][=Branch1][C][C@H1][Ring1][=N][N][Branch1][C][C][C][Ring2][Ring1][C][Branch1][=Branch1][C][Branch1][C][C][C][C][=Branch1][C][=O][N][Ring2][Ring2][#Branch1][Ring2][Ring1][#C]

The molecule is an indole alkaloid. It has a role as an antiparkinson drug, a hormone antagonist, a dopamine agonist and an antidyskinesia agent. It derives from a hydride of an ergotaman.

SMILES: CC(C)CC1C(=O)N2CCCC2C2(O)OC(NC(=O)C3C=C4c5cccc6[nH]c(Br)c(c56)CC4N(C)C3)(C(C)C)C(=O)N12