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