[{"from": "human", "value": "Given the following reaction, what are some possible reagents that could have been utilized? [N][C][=C][Branch1][C][I][C][=C][Branch1][C][Cl][C][=C][Ring1][Branch2][N+1][=Branch1][C][=O][O-1]>>[N][C][=C][C][Branch1][C][Cl][=C][C][Branch1][C][I][=C][Ring1][Branch2][N]"}, {"from": "gpt", "value": "[C][C][C][O][C][Ring1][Branch1].[C][C][C][O].[H][H]"}]