[{"from": "human", "value": "Based on the given chemical reaction, suggest some possible reagents. [C][O][C][=C][N][=C][NH1][C][=C][C][Ring1][Branch1][=C][Ring1][=Branch2]>>[O][C][=C][N][=C][NH1][C][=C][C][Ring1][Branch1][=C][Ring1][=Branch2]"}, {"from": "gpt", "value": "[Br][B][Branch1][C][Br][Br].[Cl][C][Cl].[O].[Na+1].[OH1-1]"}]