[{"from": "human", "value": "Could you provide a description of this molecule? [C@@H1][Branch1][#Branch2][C@@H1][Branch1][=Branch1][C][=Branch1][C][=O][O-1][O][Branch1][=Branch1][C][=Branch1][C][=O][O][O]"}, {"from": "gpt", "value": "The molecule is a meso-tartrate(1-). It is an enantiomer of a (2R,3S)-3-carboxy-2,3-dihydroxypropanoate."}]