[{"from": "human", "value": "Provide a description of this molecule. [C][C][C][Branch1][=Branch1][C][=Branch1][C][=O][O][C][=Branch1][C][=O][O]"}, {"from": "gpt", "value": "The molecule is a dicarboxylic acid obtained by substitution of one of the methylene hydrogens of malonic acid by an ethyl group. It has a role as a human metabolite. It is a dicarboxylic acid and a dicarboxylic fatty acid. It is functionally related to a malonic acid. It is a conjugate acid of an ethylmalonate and an ethylmalonate(2-)."}]