[{"from": "human", "value": "Provide a description of this molecule. [C][Branch2][Ring1][C][C][Branch1][#Branch2][C][=Branch1][C][=O][C][=Branch1][C][=O][O-1][C][=Branch1][C][=O][O-1][C][=Branch1][C][=O][O-1]"}, {"from": "gpt", "value": "The molecule is a tricarboxylic acid trianion that is the conjugate base of oxalosuccinic acid. It has a role as a fundamental metabolite. It is a conjugate base of an oxalosuccinic acid."}]