[{"from": "human", "value": "Based on the given information, design a molecule that meets the desired specifications. The molecule is an organic cation that is the cationic component of iodonitrotetrazolium violet."}, {"from": "gpt", "value": "[C][=C][C][=C][Branch1][Branch1][C][=C][Ring1][=Branch1][C][=N][N][Branch2][Ring1][=Branch1][N+1][=Branch1][Ring2][=N][Ring1][Branch1][C][=C][C][=C][Branch1][Branch1][C][=C][Ring1][=Branch1][N+1][=Branch1][C][=O][O-1][C][=C][C][=C][Branch1][Branch1][C][=C][Ring1][=Branch1][I]"}]