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