[{"from": "human", "value": "Please propose potential reagents that might have been utilized in the provided chemical reaction. [C][C][C][C][C][C][C][C][C][C][C][C][C][C][Br].[C][C][O][C][=Branch1][C][=O][C][C][=C][NH1][C][=Ring1][Branch1]>>[C][C][C][C][C][C][C][C][C][C][C][C][C][C][N][C][=C][C][Branch1][Branch2][C][=Branch1][C][=O][O][C][C][=C][Ring1][#Branch2]"}, {"from": "gpt", "value": "[C][N][Branch1][C][C][C][=O].[O].[H-1].[Na+1]"}]