[{"from": "human", "value": "From the provided chemical reaction, propose some possible reagents that could have been used. [N][C@H1][C][C][C][C][C@@H1][Ring1][=Branch1][N].[O][=C][C][=C][C][=C][C][=C][Ring1][=Branch1]>>[N][C@H1][C][C][C][C][C@@H1][Ring1][=Branch1][N][C][C][=C][C][=C][C][=C][Ring1][=Branch1]"}, {"from": "gpt", "value": "[C][O].[O].[BH4-1].[Na+1]"}]