[{"from": "human", "value": "Could you give me a brief overview of this molecule? [C][Branch1][#Branch1][C][C][=Branch1][C][=O][O-1][C@@H1][Branch1][Ring1][C][O][C][=Branch1][C][=O][O-1]"}, {"from": "gpt", "value": "The molecule is the dicarboxylate anion of (S)-2-hydroxymethylglutaric acid; mahor microspecies at pH 7.3."}]