[{"from": "human", "value": "Could you provide a description of this molecule? [C][C@H1][C@H1][Branch2][Ring2][O][C@H1][Branch2][Ring2][=Branch1][C@@H1][Branch2][Ring1][P][C@@H1][Branch1][Ring2][O][Ring1][=Branch1][O][C@@H1][C@H1][Branch2][Ring1][Ring1][O][C@H1][Branch1][=C][C@@H1][Branch1][Branch1][C@H1][Ring1][=Branch1][O][N][C][=Branch1][C][=O][C][O][C][O][O][O][O]"}, {"from": "gpt", "value": "The molecule is an amino disaccharide consisting of an alpha-L-fucosyl residue attached to N-acetyl-beta-Dglucosamine by a (1->4)-glycosidic linkage. It has a role as an epitope. It is an amino disaccharide and a glucosamine oligosaccharide."}]