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