[{"from": "human", "value": "Please give me some details about this molecule. [C][C][C][C][C][C][C][C][=Branch1][C][=O][C][=Branch1][C][=O][O-1]"}, {"from": "gpt", "value": "The molecule is the anion of 2-oxononanoic acid. It is functionally related to a nonanoate. It is a conjugate base of a 2-oxononanoic acid."}]