[{"from": "human", "value": "Please suggest some possible reagents that could have been used in the following chemical reaction. [C][O][C][=Branch1][C][=O][C][=C][Branch1][C][Cl][C][=C][Branch1][C][I][C][=C][Ring1][Branch2][Cl]>>[O][=C][Branch1][C][O][C][=C][Branch1][C][Cl][C][=C][Branch1][C][I][C][=C][Ring1][Branch2][Cl]"}, {"from": "gpt", "value": "[O].[I-1].[Li+1].[C][=C][C][=N][C][=C][Ring1][=Branch1]"}]