[{"from": "human", "value": "Provide a description of this molecule. [C][C][=Branch1][C][=C][C][Branch1][Branch2][C][C][C][=Branch1][C][=O][C][C][C][=Branch1][C][=O][O-1]"}, {"from": "gpt", "value": "The molecule is a 6-oxo monocarboxylic acid anion that is the conjugate base of 3-isopropenyl-6-oxoheptanoic acid; major species at pH 7.3. It is functionally related to a heptanoate. It is a conjugate base of a 3-isopropenyl-6-oxoheptanoic acid."}]