[{"from": "human", "value": "Generate a molecule based on the given description. The molecule is an organic cation obtained by protonation of osimertinib. It is an ammonium ion derivative and an organic cation. It is a conjugate acid of an osimertinib."}, {"from": "gpt", "value": "[H+1].[C][N][C][=C][Branch1][O][C][=C][C][=C][C][=C][Ring1][=Branch1][Ring1][=Branch2][C][=N][C][=Branch1][=Branch1][=N][C][=C][Ring1][=Branch1][N][C][=C][Branch2][Ring1][=N][C][=C][Branch1][=C][C][=Branch1][Ring2][=C][Ring1][=Branch1][N][C][=Branch1][C][=O][C][=C][N][Branch1][C][C][C][C][N][Branch1][C][C][C][O][C]"}]