[{"from": "human", "value": "Please suggest some possible reagents that could have been used in the following chemical reaction. [O][=C][C][C][C][=C][C][Branch1][C][F][=C][Branch1][C][F][C][=C][Ring1][Branch2][Ring1][O]>>[O][C][C][C][C][=C][C][Branch1][C][F][=C][Branch1][C][F][C][=C][Ring1][Branch2][Ring1][O]"}, {"from": "gpt", "value": "[C][C][O].[BH4-1].[Na+1]"}]