[{"from": "human", "value": "Please give me some details about this molecule. [C][C][=Branch1][C][=O][N][C@@H1][C@H1][Branch2][#Branch1][#Branch1][C@@H1][Branch2][#Branch1][C][C@H1][Branch2][=Branch1][N][O][C@H1][Ring1][=Branch1][O][C@H1][C@H1][Branch2][Branch1][P][C@H1][Branch2][Branch1][O][O][C@H1][Branch1][Branch1][C@@H1][Ring1][=Branch1][O][O][C@@H1][C@H1][Branch2][Ring2][O][O][C@H1][Branch1][=C][C@@H1][Branch1][Branch1][C@H1][Ring1][=Branch1][O][N][C][=Branch1][C][=O][C][O][C@@H1][C@H1][Branch1][#C][C@H1][Branch1][O][O][C@@H1][Branch1][Branch1][C@@H1][Ring1][=Branch1][O][C][O][O][N][C][=Branch1][C][=O][C][C][O][C][O][O][C][O][O][O]"}, {"from": "gpt", "value": "The molecule is a linear amino tetrasaccharide comprising a (1->3), (1->4), (1->3) sequence of N-acetyl-beta-D-glucosamine, beta-D-galactose, N-acetyl-beta-D-glucosamine and (at the reducing end) N-acetyl-alpha-D-galactosamine. It is an amino sugar, an amino tetrasaccharide, a galactosamine oligosaccharide and a glucosamine oligosaccharide."}]