[{"from": "human", "value": "Based on the given chemical reaction, can you propose some likely reagents that might have been utilized? [O][=C][Branch1][C][O][C][C][=C][Branch1][C][Cl][C][=C][C][=C][Ring1][#Branch1][N+1][=Branch1][C][=O][O-1]>>[O][=N+1][Branch1][C][O-1][C][=C][C][=C][C][Branch1][C][Cl][=C][Ring1][#Branch1][C][C][O]"}, {"from": "gpt", "value": "[C][C][C][O][C][Ring1][Branch1].[Cl][C][Cl].[O].[O][=C][Branch1][C][O-1][O].[BH4-1].[Na+1].[Na+1]"}]