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