[{"from": "human", "value": "Based on the given chemical reaction, suggest some possible reagents. [O][=C][C][=C][C][=C][C][=C][Ring1][=Branch1][C][=C][N][=C][C][=N][Ring1][=Branch1]>>[O][C][C][=C][C][=C][C][=C][Ring1][=Branch1][C][=C][N][=C][C][=N][Ring1][=Branch1]"}, {"from": "gpt", "value": "[C][O].[BH4-1].[Na+1]"}]