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