[{"from": "human", "value": "Generate a molecule based on the given description. The molecule is an organic cation that is the conjugate acid of methymycin, obtained by protonation of the tertiary amino group; major species at pH 7.3. It is an ammonium ion derivative and an organic cation. It is a conjugate acid of a methymycin."}, {"from": "gpt", "value": "[C][C][C@@H1][C@@][Branch2][Branch1][=Branch1][/C][=C][/C][=Branch1][C][=O][C@@H1][Branch2][Ring2][O][C][C@@H1][Branch2][Ring2][Branch1][C@@H1][Branch1][N][C@H1][Branch1][Branch2][C][=Branch1][C][=O][O][Ring1][=C][C][O][C@H1][C@@H1][Branch1][P][C@H1][Branch1][=Branch2][C][C@H1][Branch1][Ring2][O][Ring1][=Branch1][C][NH1+1][Branch1][C][C][C][O][C][C][Branch1][C][C][O]"}]