[{"from": "human", "value": "Design a molecule that meets the criteria outlined in the description. The molecule is an organic cation resulting from the protonation of the tertiary amino group of (R)-nefopam. It is an ammonium ion derivative and an organic cation. It is a conjugate acid of a (R)-nefopam. It is an enantiomer of a (S)-nefopam(1+)."}, {"from": "gpt", "value": "[C][NH1+1][C][C][O][C@H1][Branch1][N][C][=C][C][=C][C][=C][Ring1][=Branch1][C][Ring1][N][C][=C][C][=C][C][=C][Ring1][=Branch1]"}]