[{"from": "human", "value": "Based on the given information, design a molecule that meets the desired specifications. The molecule is an organic cation obtained by protonation of the primary amino function of alogliptin. It is an ammonium ion derivative and an organic cation. It is a conjugate acid of an alogliptin."}, {"from": "gpt", "value": "[C][N][C][=Branch1][C][=O][C][=C][Branch2][Ring1][Ring1][N][Branch1][Branch1][C][Ring1][#Branch1][=O][C][C][=C][C][=C][C][=C][Ring1][=Branch1][C][#N][N][C][C][C][C@H1][Branch1][Ring2][C][Ring1][=Branch1][NH3+1]"}]