[{"from": "human", "value": "Describe this molecule. [C][C@H1][C@H1][Branch2][Ring2][#Branch2][C@H1][Branch2][Ring2][Branch1][C@@H1][Branch2][Ring1][S][C@@H1][Branch1][Ring2][O][Ring1][=Branch1][O][C@@H1][C@H1][Branch1][#C][C@H1][Branch1][O][O][C@@H1][Branch1][Branch1][C@H1][Ring1][=Branch1][O][C][O][O][N][C][=Branch1][C][=O][C][O][O][O]"}, {"from": "gpt", "value": "The molecule is an amino disaccharide consisting of alpha-L-fucopyranose and 2-acetamido-2-deoxy-alpha-D-glucopyranose residues joined in sequence by a (1->3) glycosidic bond. It is a member of acetamides, an amino disaccharide and a glycosylglucose derivative. It is functionally related to an alpha-L-fucose and a N-acetyl-alpha-D-glucosamine."}]