[{"from": "human", "value": "Based on the given chemical reaction, suggest some possible reagents. [C][O][C][=Branch1][C][=O][C][=C][C][=N][C][Branch1][C][N][=N][Ring1][#Branch1]>>[N][C][=N][C][=C][C][Branch1][Ring1][C][O][=N][Ring1][Branch2]"}, {"from": "gpt", "value": "[C][C][Branch1][C][C][=O].[C][C][O].[Cl].[Cl][C][Cl].[O][=C][Branch1][C][O-1][O].[BH4-1].[Na+1].[Na+1]"}]