[{"from": "human", "value": "Provide a description of this molecule. [C][=C][Branch1][#Branch1][C][C][=Branch1][C][=O][O][C][=Branch1][C][=O][O]"}, {"from": "gpt", "value": "The molecule is a dicarboxylic acid that is methacrylic acid in which one of the methyl hydrogens is substituted by a carboxylic acid group. It has a role as a fungal metabolite and a human metabolite. It is a dicarboxylic acid, an olefinic compound and a dicarboxylic fatty acid. It is functionally related to a succinic acid. It is a conjugate acid of an itaconate(2-)."}]