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