[{"from": "human", "value": "Please give me some details about this molecule. [C][C][=C][C][=Branch1][C][=O][C][Branch1][Branch2][C][Ring1][=Branch1][Branch1][C][C][C][C][C][=Branch1][C][=O][O-1]"}, {"from": "gpt", "value": "The molecule is a 4-oxo monocarboxylic acid anion resulting from the removal of a proton from the carboxylic acid group of (2,2,3-trimethyl-5-oxocyclopent-3-en-1-yl)acetic acid. It is a 4-oxo monocarboxylic acid anion and a cyclic ketone. It is functionally related to an acetate. It is a conjugate base of a (2,2,3-trimethyl-5-oxocyclopent-3-en-1-yl)acetic acid."}]