[{"from": "human", "value": "Provide a brief overview of this molecule. [C][C][=Branch1][C][=O][N][C@@H1][C@H1][Branch2][#Branch1][Branch2][C@@H1][Branch2][#Branch1][Ring1][C@H1][Branch2][=Branch1][=N][O][C@H1][Ring1][=Branch1][O][C@H1][C@H1][Branch2][=Branch1][C][C@H1][Branch2][Branch1][N][O][C@H1][Branch1][Branch1][C@@H1][Ring1][=Branch1][O][O][C@@H1][C@H1][Branch2][Ring2][Branch2][C@@H1][Branch1][O][O][C@@H1][Branch1][Branch1][C@H1][Ring1][=Branch1][O][C][O][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][N][C][=Branch1][C][=O][C][C][O][O][C][O][O][O]"}, {"from": "gpt", "value": "The molecule is an aminotetrasaccharide consisting of 2-acetamido-beta-D-glucopyranose, beta-D-galactopyranose, 2-acetamido-beta-D-glucopyranose and 2-acetamido-D-galactopyranose residues joined in sequence by (1->3) glycosidic linkages. It is an amino tetrasaccharide and a member of acetamides."}]