[{"from": "human", "value": "Please provide possible reagents based on the following chemical reaction. [C][C][C][C][Br].[O][=C][C][=C][Branch1][O][O][C][C][=C][C][=C][C][=C][Ring1][=Branch1][C][=C][NH1][Ring1][=C]>>[C][C][C][C][N][C][=C][C][Branch1][O][O][C][C][=C][C][=C][C][=C][Ring1][=Branch1][=C][C][Ring1][=C][=O]"}, {"from": "gpt", "value": "[C][C][#N].[O][=C][Branch1][C][O-1][O-1].[K+1].[K+1]"}]