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