[{"from": "human", "value": "Please suggest some possible reagents that could have been used in the following chemical reaction. [Br][C][C][C][C][C][Ring1][Branch1].[O][C][=C][C][=C][Branch1][C][Br][C][=C][Ring1][#Branch1]>>[Br][C][=C][C][=C][Branch1][=Branch2][O][C][C][C][C][C][Ring1][Branch1][C][=C][Ring1][N]"}, {"from": "gpt", "value": "[C][N][Branch1][C][C][C][=O].[O].[Na+1].[OH1-1]"}]