[{"from": "human", "value": "Please provide possible reagents based on the following chemical reaction. [N][C][C][C][O].[O][=C][C][=C][C][=C][C][=C][C][Ring1][=Branch1][=C][C][=C][C][=C][C][=C][Ring1][=C][Ring1][=Branch1]>>[O][C][C][C][N][C][C][=C][C][=C][C][=C][C][Ring1][=Branch1][=C][C][=C][C][=C][C][=C][Ring1][=C][Ring1][=Branch1]"}, {"from": "gpt", "value": "[C][O].[Cl][C][Cl].[BH4-1].[Na+1]"}]