Using CCOC(=O)CN(C(=O)C(F)(F)F)c1ccc(Cl)cc1C#N to produce CCOC(=O)c1c(N)c2cc(Cl)ccc2n1C(=O)C(F)(F)F, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.