[{"from": "human", "value": "Provide a brief overview of this molecule. [C][C@@H1][Branch1][Ring1][C][O][C][=Branch1][C][=O][O-1]"}, {"from": "gpt", "value": "The molecule is the hydroxy fatty acid anion that is formed by loss of a proton from the carboxy group of (S)-3-hydroxyisobutyric acid. It is a conjugate base of a (S)-3-hydroxyisobutyric acid. It is an enantiomer of a (R)-3-hydroxyisobutyrate."}]