[{"from": "human", "value": "Based on the given information, design a molecule that meets the desired specifications. The molecule is an amino disaccharide consisting of beta-D-galactose having an N-acetyl-alpha-D-galactosaminyl residue attached at the 2-position. It is an amino disaccharide and a glycosylgalactose derivative."}, {"from": "gpt", "value": "[C][C][=Branch1][C][=O][N][C@@H1][C@H1][Branch2][Ring2][Ring2][C@H1][Branch2][Ring1][#C][C@H1][Branch2][Ring1][=Branch2][O][C@@H1][Ring1][=Branch1][O][C@@H1][C@H1][Branch1][#C][C@H1][Branch1][O][C@H1][Branch1][=Branch1][O][C@H1][Ring1][=Branch1][O][C][O][O][O][C][O][O][O]"}]