[{"from": "human", "value": "Please propose potential reagents that might have been utilized in the provided chemical reaction. [C][C][Branch1][C][C][Branch1][C][C][O][C][=Branch1][C][=O][N][C][C][C][C][C][C][=Branch1][C][=O][C][Ring1][Branch2]>>[C][C][Branch1][C][C][Branch1][C][C][O][C][=Branch1][C][=O][N][C][C][C][C][C][C][Branch1][C][O][C][Ring1][Branch2]"}, {"from": "gpt", "value": "[C][O].[O].[BH4-1].[Na+1]"}]