[{"from": "human", "value": "Given this chemical reaction, what are some reagents that could have been used? [O][=C][C][C][=C][C][=C][Branch1][#Branch1][O][C][Branch1][C][F][F][C][=C][Ring1][#Branch2]>>[O][C][C][C][=C][C][=C][Branch1][#Branch1][O][C][Branch1][C][F][F][C][=C][Ring1][#Branch2]"}, {"from": "gpt", "value": "[C][C][O].[BH4-1].[Na+1]"}]