[{"from": "human", "value": "Could you provide a description of this molecule? [C][C][C@@H1][Branch1][C][C][C][=Branch1][C][=O][O]"}, {"from": "gpt", "value": "The molecule is the (R)-enantiomer of 2-methylbutanoic acid. It is an enantiomer of a (S)-2-methylbutyric acid."}]