[{"from": "human", "value": "Based on the given information, design a molecule that meets the desired specifications. The molecule is an ammonium ion that is the conjugate acid of tigecycline; major species at pH 7.3. It is a conjugate acid of a tigecycline."}, {"from": "gpt", "value": "[C][C][Branch1][C][C][Branch1][C][C][NH2+1][C][C][=Branch1][C][=O][N][C][=C][C][=Branch2][Branch1][O][=C][C][C@H1][C][C@H1][C@@H1][Branch2][Ring2][=N][C][=Branch1][C][=O][C][=Branch2][Ring1][S][=C][Branch2][Ring1][O][C@][Ring1][#Branch1][Branch2][Ring1][Ring2][C][=Branch1][C][=O][C][Ring1][N][=C][Branch1][=Branch2][C][Ring1][S][=C][Ring2][Ring1][Ring2][O][O][O][O-1][C][=Branch1][C][=O][N][NH1+1][Branch1][C][C][C][N][Branch1][C][C][C]"}]