Using CC(=O)Nc1nc2ccc(Oc3ccc(F)c(NC(=O)C(F)(F)F)c3)c(C#N)c2s1 to produce CC(=O)Nc1nc2ccc(Oc3ccc(F)c(N)c3)c(C#N)c2s1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.