[{"from": "human", "value": "Generate a molecule based on the given description. The molecule is a 2,3-dihydroxybutanedioic acid that has meso configuration. It is a conjugate acid of a meso-tartrate(1-)."}, {"from": "gpt", "value": "[C@@H1][Branch1][#Branch2][C@@H1][Branch1][=Branch1][C][=Branch1][C][=O][O][O][Branch1][=Branch1][C][=Branch1][C][=O][O][O]"}]