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][Branch1][C][C][Branch1][C][O][C][=Branch1][C][=O][O]

The molecule is a branched-chain fatty acid that is 2-methylbutyric acid substituted at C-2 by a hydroxy group. It has a role as a metabolite. It is a 2-hydroxy fatty acid and a branched-chain fatty acid. It derives from a 2-methylbutyric acid.

SMILES: CCC(C)(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][/C][=Branch2][Ring2][#Branch2][=C][\C][C][C][C][C][C][C][C][C][C][C][C][C][C][C][C][C][C][C][C][C@@H1][Branch1][C][C][O][C@@H1][O][C@@H1][Branch1][C][C][C@H1][Branch1][C][O][C][C@H1][Ring1][Branch2][O][C][=Branch1][C][=O][N][C][C][O]

The molecule is a hydroxy fatty amide ascaroside obtained by obtained by formal condensation of the 24-hydroxy group of (2E,24R)-24-hydroxy-N-(2-hydroxyethyl)-2-methylpentacos-2-enamide 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 hydroxy fatty amide ascaroside, a N-acylethanolamine, an enamide and a secondary carboxamide.

SMILES: CC(=CCCCCCCCCCCCCCCCCCCCCC(C)OC1OC(C)C(O)CC1O)C(=O)NCCO
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][P][/C][=C][/C][=C][C][=C][Branch1][C][O][C][Branch1][C][O][=C][Ring1][Branch2][O][C@@H1][C][C@][Branch1][C][O][Branch1][=Branch1][C][=Branch1][C][=O][O][C][C@@H1][Branch1][C][O][C@H1][Ring1][O][O]

The molecule is a cinnamate ester obtained by formal condensation of the carboxy group of trans-caffeic acid with the 3-hydroxy group of quinic acid. It is an intermediate metabolite in the biosynthesis of lignin. It has a role as a plant metabolite and a food component. It is a cinnamate ester and a tannin. It derives from a (-)-quinic acid and a trans-caffeic acid. It is a conjugate acid of a chlorogenate.

SMILES: O=C(C=Cc1ccc(O)c(O)c1)OC1CC(O)(C(=O)O)CC(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][N][C@@H1][C@@H1][Branch1][C][O][C@H1][Branch2][Ring1][=N][O][C@@H1][O][C@H1][Branch1][Ring1][C][O][C@H1][Branch1][#Branch2][O][S][=Branch1][C][=O][=Branch1][C][=O][O][C@H1][Branch1][C][O][C@H1][Ring1][=C][O][C@@H1][Branch1][Ring1][C][O][O][C@H1][Ring2][Ring1][=Branch2][O]

The molecule is an amino disaccharide that consists of N-acetyl-beta-D-glucosamine having a 4-O-sulfo-beta-D-galactosyl residue attached at position 4. It has a role as an epitope. It is an amino disaccharide and an oligosaccharide sulfate.

SMILES: CC(=O)NC1C(O)OC(CO)C(OC2OC(CO)C(OS(=O)(=O)O)C(O)C2O)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][=Branch2][=Branch1][O][=C][\C][=Branch1][C][=O][N][Branch1][C][O-1][C][C][C][C@@H1][N][C][=Branch1][C][=O][C@H1][Branch2][Ring2][#C][C][C][C][N][Branch1][C][O-1][C][=Branch1][C][=O][/C][=C][Branch1][C][\C][C][C][O][C][=Branch1][C][=O][C@@H1][Branch1][C][N][C][C][C][N][Branch1][C][O-1][C][=Branch1][C][=O][/C][=C][Branch1][C][\C][C][C][O][N][C][Ring2][Ring2][Branch1][=O][C][C][O]

The molecule is a hydroxamic acid anion resulting from the removal of a proton from each of the three hydroxamic acid groups of desferricoprogen B. It has a role as a siderophore. It is a conjugate base of a desferricoprogen B.

SMILES: CC(=CC(=O)N([O-])CCCC(N)C(=O)OCCC(C)=CC(=O)N([O-])CCCC1NC(=O)C(CCCN([O-])C(=O)C=C(C)CCO)NC1=O)CCO
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][N][C][=Branch1][C][=O][N][S][=Branch1][C][=O][=Branch1][C][=O][C][=C][N][=C][C][=C][Ring1][=Branch1][N][C][=C][C][=C][C][Branch1][=Branch1][C][=Branch1][C][=O][O][=C][Ring1][=Branch2]

The molecule is a monocarboxylic acid resulting from the replacement of the 3'-methyl group of the phenyl ring of torasemide by a carboxy group. It is a metabolite of torasemide. It has a role as a human xenobiotic metabolite, a drug metabolite and a human urinary metabolite. It is a secondary amino compound, an aminopyridine, a N-sulfonylurea, a member of benzoic acids and a monocarboxylic acid. It derives from a torasemide.

SMILES: CC(C)NC(=O)NS(=O)(=O)c1cnccc1Nc1cccc(C(=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>

[O][=C][NH1][C][Branch2][Ring1][Ring1][C][=C][C][=C][Branch1][=Branch2][C][Branch1][C][F][Branch1][C][F][F][C][=C][Ring1][#Branch2][=N][C][=C][Ring1][S][C][S][C][C][Ring1][=Branch1]

The molecule is a thiopyranopyrimidine in which a 7,8-dihydro-5H-thiopyrano[4,3-d]pyrimidine skeleton is substituted at C-4 by a hydroxy group and at C-2 by a para-(trifluoromethyl)phenyl group. It has a role as a tankyrase inhibitor. It is a thiopyranopyrimidine and a member of (trifluoromethyl)benzenes.

SMILES: O=c1[nH]c(-c2ccc(C(F)(F)F)cc2)nc2c1CSCC2
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][Branch1][C][N][=N][C][Branch1][C][N][=N][Ring1][Branch2]

The molecule is a trimer of cyanamide, with a 1,3,5-triazine skeleton. It has a role as a xenobiotic metabolite. It derives from a cyanamide. It is a conjugate base of a melamine(1+).

SMILES: Nc1nc(N)nc(N)n1
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][/C][=Branch1][C][=O][N][C][C@H1][Branch1][C][N][C][=Branch1][C][=O][O]

The molecule is a monocarboxylic acid amide obtained by the formal condensation of the terminal amino group of 3-amino-L-alanine with the carboxy group of (2E)-4-methoxy-4-oxobut-2-enoic acid. It has a role as a metabolite. It is an enoate ester, a monocarboxylic acid amide and a methyl ester. It derives from a 3-amino-L-alanine.

SMILES: COC(=O)C=CC(=O)NCC(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][C][C][Branch1][C][O][C][C]

The molecule is a secondary alcohol that is pentane substituted at position 3 by a hydroxy group. It has a role as a pheromone and a biomarker. It is a secondary alcohol and a pentanol. It derives from a hydride of a pentane.

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

The molecule is an unsaturated fatty acyl-CoA that results from the formal condensation of the thiol group of coenzyme A with the carboxy group of (8Z,11Z,14Z,17Z,20Z,23Z)-hexacosahexaenoic acid. It is an unsaturated fatty acyl-CoA and a very long-chain fatty acyl-CoA. It derives from an (8Z,11Z,14Z,17Z,20Z,23Z)-hexacosahexaenoic acid. It is a conjugate acid of an (8Z,11Z,14Z,17Z,20Z,23Z)-hexacosahexaenoyl-CoA(4-).

SMILES: CCC=CCC=CCC=CCC=CCC=CCC=CCCCCCCC(=O)SCCNC(=O)CCNC(=O)C(O)C(C)(C)COP(=O)(O)OP(=O)(O)OCC1OC(n2cnc3c(N)ncnc32)C(O)C1OP(=O)(O)O
You are a professional chemist. Your task is to generate a natural, concise, and chemically accurate description of a given molecule.

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

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

[C][C][C][C][C][C][C][C][C][C][C][C][C][C][C][C][C][C][C][C][C][C][C][C][C][C][C][C][C][C][=O]

The molecule is a long-chain fatty aldehyde resulting from the formal oxidation of the hydroxy group of triacontan-1-ol. It has a role as a plant metabolite. It is a long-chain fatty aldehyde and a 2,3-saturated fatty aldehyde. It derives from a hydride of a triacontane.

SMILES: CCCCCCCCCCCCCCCCCCCCCCCCCCCCCC=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][=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][Ring1][C][O][C@@H1][Branch2][Branch1][Ring2][O][C@H1][O][C@H1][Branch1][Ring1][C][O][C@@H1][Branch2][Ring1][#Branch2][O][C@H1][O][C@H1][Branch1][Ring1][C][O][C@@H1][Branch1][C][O][C@H1][Branch1][C][O][C@H1][Ring1][#Branch2][N][C][Branch1][C][C][=O][C@H1][Branch1][C][O][C@H1][Ring2][Ring1][Branch2][N][C][Branch1][C][C][=O][C@@H1][Ring2][Branch1][Ring2][O]

The molecule is an amino tetrasaccharide consisting of three alpha-D-acetaminoglucopyranose residues and a D-acetaminoglucose residue joined in sequence by (1->4) glycosidic linkages. It is an amino tetrasaccharide and a member of acetamides.

SMILES: CC(=O)NC1C(O)OC(CO)C(OC2OC(CO)C(OC3OC(CO)C(OC4OC(CO)C(O)C(O)C4NC(C)=O)C(O)C3NC(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>

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

The molecule is an alkaloid comprising of a piperazine and cyclohexenone ring systems. Isolated from Penicillium herquei, it exhibits inhibitory activity against platelet aggregation. It has a role as a platelet aggregation inhibitor and a Penicillium metabolite. It is an alkaloid and a cyclic ketone.

SMILES: CN1CC2CC3=CC(C(=O)CC3)C3C=C(CCC3=O)CC1CN2
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][=Branch1][C][=O][O][P][=Branch1][C][=O][Branch1][C][O][O][C][C@H1][O][C@@H1][Branch1][P][N][C][=N][C][=C][Branch1][C][N][N][=C][N][=C][Ring1][#Branch1][Ring1][#Branch2][C@H1][Branch1][C][O][C@@H1][Ring1][S][O]

The molecule is a purine ribonucleoside 5'-monophosphate that is adenosine 5'-monophosphate in which one of the hydroxy groups of the phosphate has been condensed with the carboxylic acid group of glycine. It is a purine ribonucleoside 5'-monophosphate and a glycine derivative. It derives from an adenosine 5'-monophosphate. It is a conjugate acid of a glycyl-AMP(1-). It is a tautomer of a glycyl-AMP zwitterion.

SMILES: NCC(=O)OP(=O)(O)OCC1OC(n2cnc3c(N)ncnc32)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][N][C@H1][C@H1][Branch2][Ring2][#C][O][C][C@H1][O][C][Branch1][C][O][C@H1][Branch1][#Branch1][N][C][Branch1][C][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][Ring2][Ring1][#Branch1][O][O][C@H1][Branch1][Ring1][C][O][C@@H1][Branch2][Ring1][=N][O][C@@H1][O][C@H1][Branch1][Ring1][C][O][C@H1][Branch1][C][O][C@H1][Branch1][#Branch2][O][S][=Branch1][C][=O][=Branch1][C][=O][O][C@H1][Ring1][=C][O][C@@H1][Ring2][Branch1][C][O]

The molecule is an amino tetrasaccharide that is beta-D-galactopyranosyl-(1->3)-2-acetamido-2-deoxy-D-galactopyranose in which the hydroxy group at position 6 f the acetamidogalactopyranose group has been glycosylated by a 2-acetamido-2-deoxy-4-O-(3-O-sulfo-beta-D-galactopyranosyl)-beta-D-glucopyranosyl group. It is an amino tetrasaccharide, a member of acetamides and an oligosaccharide sulfate.

SMILES: CC(=O)NC1C(OCC2OC(O)C(NC(C)=O)C(OC3OC(CO)C(O)C(O)C3O)C2O)OC(CO)C(OC2OC(CO)C(O)C(OS(=O)(=O)O)C2O)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][C][C][C][C][C][C][C][C][C][C][C][C][C][C][C][C][C][C][Branch1][C][O][C][=Branch1][C][=O][O]

The molecule is a very long-chain fatty acid that is hexacosanoic (cerotic) acid substituted at position 2 by a hydroxy group. It is a 2-hydroxy fatty acid and a very long-chain fatty acid. It derives from a hexacosanoic acid. It is a conjugate acid of a 2-hydroxyhexacosanoate.

SMILES: CCCCCCCCCCCCCCCCCCCCCCCCC(O)C(=O)O