[{"from": "human", "value": "Design a molecule that meets the criteria outlined in the description. The molecule is an amino disaccharide consisting of a beta-L-fucosyl residue attached to N-acetyl-beta-Dglucosamine by a (1->3)-glycosidic linkage. It has a role as an epitope. It is an amino disaccharide and a glucosamine oligosaccharide."}, {"from": "gpt", "value": "[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]"}]