[{"from": "human", "value": "What can you tell me about this molecule? [C][Branch1][#Branch2][C@H1][Branch1][=Branch1][C][=Branch1][C][=O][O][O][C][=Branch1][C][=O][C][=Branch1][C][=O][O]"}, {"from": "gpt", "value": "The molecule is a 4-hydroxy-2-oxoglutaric acid having D-configuration. It is a conjugate acid of a D-4-hydroxy-2-oxoglutarate(2-)."}]