[{"from": "human", "value": "Describe this molecule. [C][C@H1][C@H1][Branch2][Ring2][Branch1][C@H1][Branch2][Ring1][S][C@@H1][Branch2][Ring1][O][C@@H1][Branch1][Ring2][O][Ring1][=Branch1][O][C@H1][C@@H1][Branch1][#C][C@H1][Branch1][#Branch2][O][C][Branch1][Branch1][C@@H1][Ring1][=Branch1][O][O][C][O][O][O][O][O]"}, {"from": "gpt", "value": "The molecule is a disaccharide that is D-glycopyranose in which the hydroxy group at position 3 has been converted into the corresponding alpha-L-fucoside. It is an alpha-L-fucoside and a glycosylglucose. It is functionally related to a D-glucopyranose."}]