[{"from": "human", "value": "Could you provide a description of this molecule? [C][Branch1][#Branch2][C@H1][Branch1][=Branch1][C][=Branch1][C][=O][O][O][C][=Branch1][C][=O][O]"}, {"from": "gpt", "value": "The molecule is an optically active form of malic acid having (R)-configuration. It is a conjugate acid of a (R)-malate(2-). It is an enantiomer of a (S)-malic acid."}]