[{"from": "human", "value": "Given the following reaction, what are some possible reagents that could have been utilized? [C][C][=Branch1][C][=O][C][=C][C][=C][C][Branch1][C][N][=C][Ring1][#Branch1][O].[I-1]>>[C][C][=Branch1][C][=O][C][=C][C][=C][C][Branch1][C][I][=C][Ring1][#Branch1][O]"}, {"from": "gpt", "value": "[Br].[Cl][C][Branch1][C][Cl][Cl].[O].[O][=N][O-1].[O][=S][=Branch1][C][=O][Branch1][C][O][O].[Cu].[K+1].[Na+1]"}]