[{"from": "human", "value": "Please provide possible reagents based on the following chemical reaction. [O][=C][C][C][N][Branch1][#Branch1][C][C][C][C][Ring1][Ring1][C][C][Ring1][#Branch2]>>[O][C][C][C][N][Branch1][#Branch1][C][C][C][C][Ring1][Ring1][C][C][Ring1][#Branch2]"}, {"from": "gpt", "value": "[C][C][O].[Cl][C][Cl].[O].[BH4-1].[Na+1].[Na+1].[OH1-1]"}]