[{"from": "human", "value": "Could you provide a description of this molecule? [C][Branch2][Ring1][Branch1][C@@H1][C@H1][Branch1][S][C@@H1][Branch1][N][C@H1][Branch1][Branch2][C][=Branch1][C][=O][O][Ring1][#Branch1][O][O][O][O]"}, {"from": "gpt", "value": "The molecule is a naturally-occurring food additive used as a sequestrant, an acidifier, or a curing, pickling, or leavening agent. It is a cyclic ester of D-gluconic acid. Pure gluconolactone is a white odorless crystalline powder."}]