[{"from": "human", "value": "Provide a description of this molecule. [C][C][=Branch1][C][=O][N][C@@H1][C@H1][Branch2][=Branch1][Ring2][C@H1][Branch2][Branch1][#C][C@H1][Branch1][=Branch1][O][C@H1][Ring1][=Branch1][O][C][O][C@H1][C@@H1][Branch2][Ring2][#Branch2][C@H1][Branch1][=N][C@H1][Branch1][=Branch2][C@H1][Branch1][Ring2][O][Ring1][=Branch1][C][O][O][O][C@H1][C@@H1][Branch2][Ring1][Ring2][C@H1][Branch1][S][C@@H1][Branch1][N][C@H1][Branch1][Ring2][O][Ring1][=Branch1][C][=Branch1][C][=O][O][O][O][O][N][C][=Branch1][C][=O][C][O][O][C@H1][C@@H1][Branch2][Ring1][Ring2][C@H1][Branch1][S][C@@H1][Branch1][N][C@H1][Branch1][Ring2][O][Ring1][=Branch1][C][=Branch1][C][=O][O][O][O][O]"}, {"from": "gpt", "value": "The molecule is a dimeric branched amino tetrasaccharide consisting of beta-D-glucuronosyl-(1->3)-N-acetyl-beta-D-galactosamine having a further beta-D-glucuronosyl-(1->3)-N-acetyl-beta-D-galactosaminyl moiety attached at the 6-position of the galactosamine. It is a galactosamine oligosaccharide and an amino tetrasaccharide."}]