[{"from": "human", "value": "Please propose potential reagents that might have been utilized in the provided chemical reaction. [C][O][C][=C][C][Branch1][C][N][=C][C][Branch1][Ring1][O][C][=C][Ring1][=Branch2].[I-1]>>[C][O][C][=C][C][Branch1][C][I][=C][C][Branch1][Ring1][O][C][=C][Ring1][=Branch2]"}, {"from": "gpt", "value": "[C][C][O][C][C].[N][#N].[O].[O][=N][O-1].[O][=S][=Branch1][C][=O][Branch1][C][O][O].[K+1].[Na+1]"}]