[{"from": "human", "value": "Given the following reaction, what are some possible reagents that could have been utilized? [Br][Br].[C][C][C][=Branch1][C][=O][N][C][=C][C][=C][C][=N][Ring1][=Branch1]>>[C][C][C][=Branch1][C][=O][N][C][=C][C][=C][Branch1][C][Br][C][=N][Ring1][#Branch1]"}, {"from": "gpt", "value": "[C][C][=Branch1][C][=O][O].[O].[O][=P][Branch1][C][O-1][Branch1][C][O-1][O].[Na+1].[Na+1]"}]