[{"from": "human", "value": "Please propose potential reagents that might have been utilized in the provided chemical reaction. [Br][Br].[N][C][=C][C][=N][C][=C][Ring1][=Branch1][N+1][=Branch1][C][=O][O-1]>>[N][C][=C][Branch1][C][Br][C][=N][C][=C][Ring1][#Branch1][N+1][=Branch1][C][=O][O-1]"}, {"from": "gpt", "value": "[C][C][=Branch1][C][=O][O].[C][C][=Branch1][C][=O][O-1].[O].[O][=C][Branch1][C][O-1][O].[Na+1].[Na+1]"}]