[{"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][C][Branch1][Ring2][C][Ring1][Branch1][C][Ring1][#Branch1][C][Ring1][#Branch2]>>[O][C][C][C][C][C][C][C][Branch1][Ring2][C][Ring1][Branch1][C][Ring1][#Branch1][C][Ring1][#Branch2]"}, {"from": "gpt", "value": "[C][C][O].[BH4-1].[Na+1]"}]