[{"from": "human", "value": "Provide a brief overview of this molecule. [C][C][=Branch1][C][=O][N][C@@H1][C@H1][Branch2][=Branch1][P][C][C@@][Branch1][#C][O][C@H1][Ring1][=Branch1][C@@H1][Branch1][#Branch1][C@@H1][Branch1][Ring1][C][O][O][O][Branch1][=Branch1][C][=Branch1][C][=O][O][O][C][C@@H1][C@H1][Branch2][Ring2][S][C@@H1][Branch2][Ring2][O][C@H1][Branch2][Ring1][P][C@@H1][Branch1][Ring2][O][Ring1][=Branch1][O][C@@H1][C@H1][Branch2][Ring1][Ring1][O][C][Branch1][=C][C@@H1][Branch1][Branch1][C@H1][Ring1][=Branch1][O][N][C][=Branch1][C][=O][C][O][C][O][N][C][=Branch1][C][=O][C][O][O][O]"}, {"from": "gpt", "value": "The molecule is an amino trisaccharide comprising alpha-sialyl, N-acetyl-beta-D-glucosaminyl and N-acetyl-D-glucosamine linked in a (2->6) and (1->4) sequence. It has a role as an epitope. It is an amino trisaccharide and a glucosamine oligosaccharide."}]