Using Cc1nc(OC(C)C(=O)O)c(Cl)c(C(F)(F)F)n1, CC(C)(C)C(C)(N)C#N to produce Cc1nc(OC(C)C(=O)NC(C)(C#N)C(C)(C)C)c(Cl)c(C(F)(F)F)n1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.