[{"from": "human", "value": "Provide a brief overview of this molecule. [C][C@@H1][Branch1][=Branch1][C@H1][Branch1][C][C][O][C][=Branch1][C][=O][O-1]"}, {"from": "gpt", "value": "The molecule is a 2-methyl-3-hydroxybutyrate that has (2S,3S)-configuration. It is a conjugate base of a (2S,3S)-3-hydroxy-2-methylbutanoic acid."}]