[{"from": "human", "value": "What can you tell me about this molecule? [C][C][C][=Branch1][C][=O][O][C@@H1][Ring1][=Branch1][C][=Branch1][C][=O][O-1]"}, {"from": "gpt", "value": "The molecule is a monocarboxylic acid anion that is the conjugate base of (S)-alpha-hydroxyglutaric acid-gamma-lactone, obatined by deprotonation of the carboxy group. It is functionally related to a (S)-2-hydroxyglutarate(2-). It is a conjugate base of a (S)-alpha-hydroxyglutaric acid-gamma-lactone."}]