[{"from": "human", "value": "Describe this molecule. [C][C][=Branch1][C][=O][N][C@@H1][C@H1][Branch2][Branch1][P][C@@H1][Branch2][Branch1][N][C@H1][Branch2][Branch1][=Branch1][O][C@H1][Ring1][=Branch1][O][C][C@@H1][C@@H1][Branch2][Ring2][#Branch2][C@@H1][Branch1][P][C@H1][Branch1][Branch2][C][Branch1][Ring2][O][Ring1][=Branch1][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][O][O][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]"}, {"from": "gpt", "value": "The molecule is a branched amino tetrasaccharide consisting of a linear trisaccharide of beta-D-galactose, N-acetyl-beta-D-glucosamine and (at the reducing end) N-acetyl-D-galactosamine residues linked sequentially (1->3) and (1->6), to the N-acetyl-D-galactosamine residue of which is also linked (1->3) a further beta-D-galactose residue. It is an amino tetrasaccharide, a galactosamine oligosaccharide and a glucosamine oligosaccharide."}]