[{"from": "human", "value": "Based on the given chemical reaction, suggest some possible reagents. [C][C][=C][Branch1][C][N][C][=C][C][=C][Ring1][#Branch1][C][O].[I-1]>>[C][C][=C][Branch1][C][I][C][=C][C][=C][Ring1][#Branch1][C][O]"}, {"from": "gpt", "value": "[Cl].[O].[O][=S][=Branch1][C][=O][Branch1][C][O][O].[O][=N+1][Branch1][C][O-1][O-1].[Cu].[K+1].[Na+1]"}]