[{"from": "human", "value": "Design a molecule that meets the criteria outlined in the description. The molecule is a disaccharide composed of two 2-acetamido-2-deoxy-D-galactopyranose residues joined by a (1->3) glycosidic bond. It is an amino disaccharide, a galactosamine oligosaccharide, a member of acetamides and a partially-defined glycan."}, {"from": "gpt", "value": "[C][C][=Branch1][C][=O][N][C@@H1][C@H1][Branch2][Ring2][#Branch2][C@H1][Branch2][Ring2][Branch1][C@H1][Branch2][Ring1][#C][O][C][Ring1][=Branch1][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][C][O][O][O]"}]