[{"from": "human", "value": "Provide a brief overview of this molecule. [C][C@H1][C@H1][Branch2][=Branch1][Branch1][C@H1][Branch2][Branch1][S][C@@H1][Branch2][Branch1][O][C@@H1][Branch1][Ring2][O][Ring1][=Branch1][O][C@H1][C@@H1][Branch2][Ring1][Ring2][C@H1][Branch1][#C][O][C][Branch1][#Branch2][C@@H1][Ring1][=Branch1][N][C][=Branch1][C][=O][C][O][C][O][O][C@H1][C@@H1][Branch1][P][C@H1][Branch1][=N][C@H1][Branch1][=Branch2][C@H1][Branch1][Ring2][O][Ring1][=Branch1][C][O][O][O][N][C][=Branch1][C][=O][C][O][O][O]"}, {"from": "gpt", "value": "The molecule is an amino trisaccharide comprising an acetamido-beta-D-galactose and an alpha-L-fucose attached to an acetamidoglucose by 1->4 and 1->3 linkages, respectively. It has a role as an epitope. It is an amino trisaccharide and a glucosamine oligosaccharide."}]