[{"from": "human", "value": "Please suggest some possible reagents that could have been used in the following chemical reaction. [C][N].[O][=C][C][=C][C][=C][NH1][C][=C][C][Ring1][Branch1][=C][Ring1][=Branch2]>>[C][N][C][C][=C][C][=C][NH1][C][=C][C][Ring1][Branch1][=C][Ring1][=Branch2]"}, {"from": "gpt", "value": "[C][O].[O].[BH4-1].[Na+1]"}]