[{"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][=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][C][C][O][C][Ring1][Branch1].[C][O].[BH4-1].[Cl-1].[NH4+1].[Na+1]"}]