[{"from": "human", "value": "What can you tell me about this molecule? [C][Branch2][Ring1][Ring1][C@@H1][Branch1][#C][C@@H1][Branch1][O][C@H1][Branch1][#Branch1][C][=Branch1][C][=O][C][O][O][O][O][O]"}, {"from": "gpt", "value": "The molecule is a L-fructose and a keto-fructose. It is an enantiomer of a keto-D-fructose."}]