Using CN(C)C=O, Cc1nc2c(Cl)ccc(OS(=O)(=O)C(F)(F)F)c2c(C)c1Cc1ccc(Cl)cc1 to produce Cc1nc2c(Cl)ccc(C#N)c2c(C)c1Cc1ccc(Cl)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.