[{"from": "human", "value": "Provide a description of this molecule. [C][C][=Branch1][C][=O][N][C@@H1][C@H1][Branch2][Branch1][O][C@@H1][Branch2][Ring1][P][C@H1][Branch2][Ring1][O][O][C@H1][Ring1][=Branch1][O][C][C@@H1][C@@H1][Branch1][S][C@@H1][Branch1][N][C@H1][Branch1][Branch2][C][Branch1][Ring2][O][Ring1][=Branch1][O][O][O][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][O][O]"}, {"from": "gpt", "value": "The molecule is an amino trisaccharide consisting of an N-acetyl-D-glucosamine flanked by two D-galactose residues in a linear sequence with (1->4) and (1->4) linkages. It is an amino trisaccharide and a glucosamine oligosaccharide."}]