[{"from": "human", "value": "Provide a brief overview of this molecule. [C][C][=Branch1][C][=O][N][C@@H1][C@H1][Branch2][#Branch1][Ring2][C@@H1][Branch2][Ring2][Ring2][C@H1][Branch2][Ring1][=C][O][C@H1][Ring1][=Branch1][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][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][O]"}, {"from": "gpt", "value": "The molecule is a linear amino tetrasaccharide consisting of alpha-D-galactose, beta-D-galactose, N-acetyl-beta-D-glucosamine and (at the reducing end) N-acetyl-alpha-D-galactosamine residues linked conesecutively (1->3), (1->4) and (1->3). It is an amino sugar and an amino tetrasaccharide."}]