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