User: I'm looking for the SMILES of a molecule that can be described by:
The molecule is a methyl ester resulting from the formal condensation of the carboxy group of 4-(trimethylammonio)butanoic acid with methanol. It is a quaternary ammonium ion and a methyl ester. It derives from a 4-(trimethylammonio)butanoic acid.
Assistant: This is a molecule that fits your description: COC(=O)CCC[N+](C)(C)C
User: I'm {#searching|looking!} for the {SMILES__description} of a molecule that can be described {#by|as!}:
{description#}
Assistant: This is a molecule that fits {#your|this!} description: {SMILES#}
COC(=O)CCC[N+](C)(C)C
C[N+](C)(C)CCCC(=O)OC
(4-methoxy-4-oxobutyl)-trimethylazanium
The molecule is a methyl ester resulting from the formal condensation of the carboxy group of 4-(trimethylammonio)butanoic acid with methanol. It is a quaternary ammonium ion and a methyl ester. It derives from a 4-(trimethylammonio)butanoic acid.