[{"from": "human", "value": "Synthesize a molecule that matches the given characteristics. The molecule is an organic cation that is the conjugate acid of fingolimod. It is an ammonium ion derivative and an organic cation. It is a conjugate acid of a fingolimod."}, {"from": "gpt", "value": "[C][C][C][C][C][C][C][C][C][=C][C][=C][Branch1][Branch1][C][=C][Ring1][=Branch1][C][C][C][Branch1][Ring1][C][O][Branch1][Ring1][C][O][NH3+1]"}]