[{"from": "human", "value": "Please give me some details about this molecule. [C][C][C][Branch1][Ring2][C][Ring1][Ring2][Branch1][=Branch1][C][=Branch1][C][=O][O-1][C][=Branch1][C][=O][O-1]"}, {"from": "gpt", "value": "The molecule is a cyclobutanedicarboxylate. It is a conjugate base of a cyclobutane-1,1-dicarboxylate(1-)."}]