[{"from": "human", "value": "Provide a brief overview of this molecule. [C][C][=Branch1][C][=O][N][C@@H1][C@H1][Branch2][Branch2][C][C@@H1][Branch2][#Branch1][=N][C@H1][Branch2][=Branch1][#C][O][C@H1][Ring1][=Branch1][O][C@H1][C@H1][Branch2][=Branch1][Ring2][C@H1][Branch2][Branch1][=C][O][C@H1][Branch1][Branch1][C@@H1][Ring1][=Branch1][O][O][C@@H1][C@H1][Branch2][Ring2][=Branch1][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][#Branch2][O][C][Branch1][Branch1][C@@H1][Ring1][=Branch1][O][O][C][O][O][C][O][S][=Branch1][C][=O][=Branch1][C][=O][O][C][O][O][C][O][S][=Branch1][C][=O][=Branch1][C][=O][O][O][O]"}, {"from": "gpt", "value": "The molecule is an amino tetrasaccharide comprised of two N-acetylated glucosamine residues sulfated on O-6, of which one is at the non-reducing end, and two galactosyl residues, of which one is at the reducing end. It is an intermediate in the keratan sulfate degradation pathway. It has a role as a mouse metabolite."}]