[{"from": "human", "value": "Based on the given chemical reaction, suggest some possible reagents. [O][=C][Branch1][C][O][C][=C][C][=C][Branch1][Ring1][C][Br][C][=C][Ring1][Branch2].[C-1][#N]>>[N][#C][C][C][=C][C][=C][Branch1][=Branch1][C][=Branch1][C][=O][O][C][=C][Ring1][=Branch2]"}, {"from": "gpt", "value": "[C][C][#N].[O].[Na+1].[Na+1].[OH1-1]"}]