[{"from": "human", "value": "Could you provide a description of this molecule? [C][=C][C][=Branch1][C][=O][O][C][Ring1][=Branch1][C][Branch1][=Branch1][C][=Branch1][C][=O][O-1][Cl]"}, {"from": "gpt", "value": "The molecule is a monocarboxylic acid anion that is the conjugate base of 5-chloromuconolactone, obtained by deprotonation of the carboxy group; major species at pH 7.3. It has a role as a bacterial xenobiotic metabolite. It is a conjugate base of a 5-chloromuconolactone."}]