[{"from": "human", "value": "Please give me some details about this molecule. [C][C][=Branch1][C][=O][N][C@@H1][C@H1][Branch2][=Branch1][Ring2][C@H1][Branch2][Ring2][Branch1][C@H1][Branch1][=Branch1][O][C@@H1][Ring1][=Branch1][O][C][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][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]"}, {"from": "gpt", "value": "The molecule is a branched amino trisaccharide comprised of two N-acetyl-beta-D-glucosamine residues linked (1->4) and (1->6) to N-acetyl-alpha-D-galactosamine. It has a role as an epitope. It is an amino trisaccharide, a glucosamine oligosaccharide and a galactosamine oligosaccharide."}]