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