[{"from": "human", "value": "Provide a brief overview of this molecule. [C][C@@H1][Branch1][#Branch1][C][C][=Branch1][C][=O][O-1][C][=Branch1][C][=O][O-1]"}, {"from": "gpt", "value": "The molecule is the dicarboxylate anion of (S)-methylsuccinic acid; major species at pH 7.3. It is a conjugate base of a (S)-methylsuccinic acid."}]