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