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

The molecule is a 20-oxo steroid obtained by acetylation of the 17-hydroxy group of (11beta,17alpha)-17-acetyl-11-[4-(dimethylamino)phenyl]-3-oxoestra-4,9-dien-17-ol (ulipristal). A selective progesterone receptor modulator, which is employed as an emergency contraceptive. It has a role as a contraceptive drug, a progestin and a progesterone receptor modulator. It is a 3-oxo-Delta(4) steroid, a steroid ester, an acetate ester, a 20-oxo steroid and a tertiary amino compound. It derives from an estradiol.

SMILES: CC(=O)OC1(C(C)=O)CCC2C3CCC4=CC(=O)CCC4=C3C(c3ccc(N(C)C)cc3)CC21C
You are a professional chemist. Your task is to generate a natural, concise, and chemically accurate description of a given molecule.

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

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

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

The molecule is a phenolate anion that is the conjugate base of 4-hydroxy-3-nitrophenylacetaldehyde; major species at pH 7.3 It is a conjugate base of a 4-hydroxy-3-nitrophenylacetaldehyde.

SMILES: O=CCc1ccc([O-])c([N+](=O)[O-])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][C][/C][=C][\C][/C][=C][\C][/C][=C][\C][/C][=C][\C][C][C][C][=Branch1][C][=O][O][C@H1][Branch1][Ring1][C][O][C][O][P][=Branch1][C][=O][Branch1][C][O-1][O][C][C@H1][Branch1][C][NH3+1][C][=Branch1][C][=O][O-1]

The molecule is a 2-acyl-sn-glycero-3-phosphoserine(1-) in which the 2-acyl group is specified as arachidonoyl. It is a conjugate base of a 2-arachidonoyl-sn-glycero-3-phospho-L-serine.

SMILES: CCCCCC=CCC=CCC=CCC=CCCCC(=O)OC(CO)COP(=O)([O-])OCC([NH3+])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][C][C][/C][Branch1][C][C][=C][/C][C][=C][Branch1][C][O][C][Branch1][C][O][=C][C][C][=Branch1][C][=O][C][=C][Branch1][C][O][C][Branch1][Branch2][C][C][=C][Branch1][C][C][C][=C][Branch1][C][O][C][=C][Ring1][=N][O][C][Ring2][Ring1][Branch2][=Ring2][Ring1][C]

The molecule is a member of the class of xanthones that is 9H-xanthen-9-one substituted by hydroxy groups at positions 1, 3, 6 and 7, a prenyl group at position 2 and a geranyl group at position 5. Isolated from Cratoxylum cochinchinense, it exhibits antioxidant activity. It has a role as a metabolite and an antioxidant. It is a polyphenol and a member of xanthones.

SMILES: CC(C)=CCCC(C)=CCc1c(O)c(O)cc2c(=O)c3c(O)c(CC=C(C)C)c(O)cc3oc12
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+1][Branch1][C][C][Branch1][C][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][=N][N][C][=C][C][Branch1][C][N][=N][C][Ring1][#Branch1][=O][C@H1][Branch1][C][O][C@@H1][Ring1][=C][O]

The molecule is conjugate base of CDP-choline(1+) arising from deprotonation of the diphosphate function. It is a conjugate base of a CDP-choline(1+).

SMILES: C[N+](C)(C)CCOP(=O)([O-])OP(=O)([O-])OCC1OC(n2ccc(N)nc2=O)C(O)C1O
You are a professional chemist. Your task is to generate a natural, concise, and chemically accurate description of a given molecule.

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

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

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

The molecule is a member of the class of pretetramides in which the only additional substituent is a methyl group at position 6. It has a role as a bacterial metabolite. It derives from a Pretetramid. It is a conjugate acid of a 6-methylpretetramide(1-).

SMILES: Cc1c2cccc(O)c2c(O)c2c(O)c3c(O)c(C(N)=O)c(O)cc3cc12
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][=Branch1][S][=C][/C][=C][C][=C][Branch1][C][O-1][C][Branch1][C][O][=C][Ring1][Branch2][O][C][=C][C][Branch1][C][O][=C][C][Branch1][C][O][=C][Ring1][Branch2][Ring2][Ring1][Ring2]

The molecule is an organic anion that is the conjugate base of aureusidin, arising from selective deprotonation of the hydroxy group at position 6 of the benzofuran moiety; major species at pH 7.3. It is a conjugate base of an aureusidin.

SMILES: O=C1C(=Cc2ccc([O-])c(O)c2)Oc2cc(O)cc(O)c21
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][N][C][=Branch1][C][=O][N][S][=Branch1][C][=O][=Branch1][C][=O][C][=C][C][=C][Branch1][C][C][C][=C][Ring1][#Branch1]

The molecule is an N-sulfonylurea that consists of 1-butylurea having a tosyl group attached at the 3-position. It has a role as a hypoglycemic agent, a potassium channel blocker, a human metabolite and an insulin secretagogue.

SMILES: CCCCNC(=O)NS(=O)(=O)c1ccc(C)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][=C][Branch1][Branch2][C][=Branch1][C][=O][NH1][Ring1][#Branch1][N][=C][Branch2][Ring2][Ring1][C][N][C][=C][C][=C][Branch2][Ring1][Branch1][C][=Branch1][C][=O][N][C@@H1][Branch1][Branch2][C][C][C][=Branch1][C][=O][O][C][=Branch1][C][=O][O][C][=C][Ring2][Ring1][C][C][N][Ring2][Ring1][=N]

The molecule is a folic acid derivative acted upon by dihydrofolate reductase to produce tetrahydrofolic acid. It interacts with bacteria during cell division and is targeted by various drugs to prevent nucleic acid synthesis. It has a role as an Escherichia coli metabolite and a mouse metabolite. It is a conjugate acid of a dihydrofolate(2-).

SMILES: Nc1nc2c(c(=O)[nH]1)N=C(CNc1ccc(C(=O)NC(CCC(=O)O)C(=O)O)cc1)CN2
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][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][C][C][=C][C][C][=C][C][=Branch1][C][=O][O][C][=Ring1][#Branch1][C][=C][Ring1][O][O][Ring1][=C]

The molecule is a member of the class of psoralens that is (-)-marmesin in which the hydroxy hydrogen is replaced by a beta-D-glucosyl residue. It has a role as a plant metabolite, a P450 inhibitor and an antioxidant. It is a beta-D-glucoside, a member of psoralens and a monosaccharide derivative. It derives from a nodakenetin.

SMILES: CC(C)(OC1OC(CO)C(O)C(O)C1O)C1Cc2cc3ccc(=O)oc3cc2O1
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][C][Si][Branch1][C][C][Branch1][C][C][Cl]

The molecule is a silyl chloride consisting of a central silicon atom covalently bound to one chloro, one tert-butyl and two methyl groups. tert-Butyldimethylsilyl chloride is a derivatisation agent used in gas chromatography/mass spectrometry applications. It has a role as a chromatographic reagent.

SMILES: CC(C)(C)[Si](C)(C)Cl
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][Ring2][=C][Ring1][=Branch1][C][C][=C][C][=C][C][=C][Ring1][=Branch1][S][Ring1][O]

The molecule is a thioxanthene that consists of a xanthene skeleton in which the oxygen atom is replaced by a sulfur atom.

SMILES: c1ccc2c(c1)Cc1ccccc1S2
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][O][P][=Branch1][C][=O][Branch1][C][O-1][O]

The molecule is a organophosphate oxoanion obtained by deprotonation of the carboxy and one of the phosphate OH groups of carboxyphosphoric acid It is a conjugate base of a carboxyphosphoric acid.

SMILES: O=C([O-])OP(=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>

[Cl].[N][N][C][=C][C][=C][C][=C][Ring1][=Branch1]

The molecule is a hydrochloride resulting from the reaction of equimolar amounts of phenylhydrazine and hydrogen chloride. It contains a phenylhydrazine.

SMILES: Cl.NNc1ccccc1
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][C][Branch1][C][C][/C][=C][/C][C@@][Branch1][C][C][O][C][=C][Branch1][C][O][C][=Branch1][C][=O][C@H1][C][O][C@H1][Branch1][=Branch1][C@@H1][Ring1][#Branch2][Ring1][Branch1][C@@H1][Ring1][=C][C][C][Ring2][Ring1][=Branch2]

The molecule is a sesquiterpenoid based on a humulene skeleton. It is isolated from Sarocladium strictum and has been shown to exhibit inhibitory activity against GABA receptor. It has a role as a metabolite and a GABA antagonist. It is a sesquiterpenoid, an organic heterotetracyclic compound, an enone and a cyclic ether.

SMILES: CC1=CCC(C)(C)C=CCC2(C)OC3=C(O)C(=O)C4COC(C34)C2CC1
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]

The molecule is the simplest of the methylamines, consisting of ammonia bearing a single methyl substituent. It has a role as a mouse metabolite. It is a primary aliphatic amine, a one-carbon compound and a member of methylamines. It is a conjugate base of a methylammonium.

SMILES: CN
You are a professional chemist. Your task is to generate a natural, concise, and chemically accurate description of a given molecule.

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

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

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

The molecule is an optically active form of allantoin having (R)-(-)-configuration. It has a role as a mouse metabolite. It is an enantiomer of a (S)-(+)-allantoin.

SMILES: NC(=O)NC1NC(=O)NC1=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][C@H1][Branch2][Ring1][Branch1][C][O][P][=Branch1][C][=O][Branch1][C][O][O][C][C][N+1][Branch1][C][C][Branch1][C][C][C][O][C][=Branch1][C][=O][C][C][C][C][C][C][C][C][C][C][C][N][C][=C][C][=C][Branch1][=Branch1][N+1][=Branch1][C][=O][O-1][C][=N][O][N][=C][Ring1][N][Ring1][Branch1]

The molecule is a 1,2-diacyl-sn-glycero-3-phosphocholine in which the acyl groups at C-1 and C-2 are hexadecanoyl and 12-[(7-nitrobenz-2-oxa-1,3-diazol-4-yl)amino]dodecanoyl respectively. It has a role as a fluorescent probe.

SMILES: CCCCCCCCCCCCCCCC(=O)OCC(COP(=O)(O)OCC[N+](C)(C)C)OC(=O)CCCCCCCCCCCNc1ccc([N+](=O)[O-])c2nonc12