[{"from": "human", "value": "Describe this molecule. [C][C][=Branch1][C][=O][N][C@@H1][C@H1][Branch2][Ring2][#Branch2][C@@H1][Branch2][Ring2][Branch1][C@H1][Branch2][Ring1][#C][O][C@H1][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][O][O][O][C@H1][C@@H1][Branch2][Ring2][=Branch1][C@H1][Branch1][=N][C@H1][Branch1][=Branch2][C@H1][Branch1][Ring2][O][Ring1][=Branch1][C][O][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 tetrasaccharide consisting of alpha-D-galactose, beta-D-galactose, N-acetyl-beta-D-glucosamine and N-acetyl-beta-D-galactosamine residues connected in sequence by (1->3) linkages. It is an amino tetrasaccharide, a glucosamine oligosaccharide and a galactosamine oligosaccharide."}]