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