[{"from": "human", "value": "Given the following chemical reaction, what are some potential reagents that could have been employed? [C][N].[C][O][C][=C][C][=C][C][=C][Ring1][=Branch1][C][=O]>>[C][N][C][C][=C][C][=C][C][=C][Ring1][=Branch1][O][C]"}, {"from": "gpt", "value": "[C][C][=Branch1][C][=O][O].[C][O].[BH4-1].[Na+1]"}]