[{"from": "human", "value": "Given this chemical reaction, what are some reagents that could have been used? [N][C][=C][C][=C][C][Branch1][C][O][=C][C][=C][C][Ring1][#Branch1][=C][Ring1][O].[I-1]>>[O][C][=C][C][=C][C][=C][C][Branch1][C][I][=C][C][=C][Ring1][O][Ring1][#Branch1]"}, {"from": "gpt", "value": "[Cl].[N].[O][=N][O-1].[K+1].[Na+1]"}]