[{"from": "human", "value": "Provide a brief overview of this molecule. [C][C@H1][Branch1][=Branch1][C][=Branch1][C][=O][O-1][C@][Branch1][C][C][Branch1][=Branch1][C][=Branch1][C][=O][O-1][O]"}, {"from": "gpt", "value": "The molecule is dicarboxylate anion of (2R,3S)-2,3-dimethylmalic acid. It is a conjugate base of a (2R,3S)-2,3-dimethylmalic acid."}]