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