[{"from": "human", "value": "Could you give me a brief overview of this molecule? [C][C@H1][Branch1][#Branch1][C][C][=Branch1][C][=O][O][C][=Branch1][C][=O][O]"}, {"from": "gpt", "value": "The molecule is a 2-methylbutanedioic acid in which the methyl group at position 2 has R-configuration. It is an enantiomer of a (S)-methylsuccinic acid."}]