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