[{"from": "human", "value": "Provide a brief overview of this molecule. [C][C][C@@H1][Branch1][C][C][C][=Branch1][C][=O][C][=Branch1][C][=O][O]"}, {"from": "gpt", "value": "The molecule is the (R)-enantiomer of 3-methyl-2-oxovaleric acid. It is an enantiomer of a (S)-3-methyl-2-oxovaleric acid."}]