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