[{"from": "human", "value": "Could you provide a description of this molecule? [C][Branch2][Ring1][Branch1][C@@H1][C@H1][Branch1][S][C][=Branch1][C][=O][C][=Branch1][C][=O][C][Branch1][Ring2][O][Ring1][Branch2][O][O][O]"}, {"from": "gpt", "value": "The molecule is the 2,3-didehydro derivative of D-glucose. It is a 2,3-didehydropyranose and a secondary alpha-hydroxy ketone."}]