[{"from": "human", "value": "Provide a description of this molecule. [C][C@H1][Branch1][#Branch2][C@@H1][Branch1][=Branch1][C][=Branch1][C][=O][O][O][O]"}, {"from": "gpt", "value": "The molecule is the (2S,3R)-stereoisomer of 2,3-dihydroxybutanoic acid. It has a role as a human urinary metabolite."}]