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