[{"from": "human", "value": "Use the given information to create a molecule that fulfills the desired purpose. The molecule is an N-acetyl-alpha-D-galactosaminide having a 4-nitrophenyl substituent at the anomeric position."}, {"from": "gpt", "value": "[C][C][=Branch1][C][=O][N][C@@H1][C@H1][Branch2][Ring1][S][C@H1][Branch2][Ring1][O][C@H1][Branch2][Ring1][Branch1][O][C@@H1][Ring1][=Branch1][O][C][=C][C][=C][Branch1][Branch1][C][=C][Ring1][=Branch1][N+1][=Branch1][C][=O][O-1][C][O][O][O]"}]