[{"from": "human", "value": "Please propose potential reagents that might have been utilized in the provided chemical reaction. [C][C][Branch1][C][C][=O].[C][C][O][C][=Branch1][C][=O][N][C][C][N][C][C][Ring1][=Branch1]>>[C][C][O][C][=Branch1][C][=O][N][C][C][N][Branch1][=Branch1][C][Branch1][C][C][C][C][C][Ring1][=Branch2]"}, {"from": "gpt", "value": "[C][O].[Cl].[Cl][C][Cl].[O][=C][Branch1][C][O-1][O].[BH3-1][C][#N].[Na+1].[Na+1]"}]