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