[{"from": "human", "value": "Could you provide a description of this molecule? [C][C][C@@H1][Branch1][C][C][C@H1][Branch1][=Branch1][C][=Branch1][C][=O][O-1][O]"}, {"from": "gpt", "value": "The molecule is a 2-hydroxy-3-methylpentanoate in which the stereocentres at positions 2 and 3 both have R-configuration. It is a (2R)-2-hydroxy fatty acid anion and a 2-hydroxy-3-methylpentanoate. It is a conjugate base of a (2R,3R)-2-hydroxy-3-methylpentanoic acid."}]