Using Clc1cncc(Cl)n1, CC(C)(C)OC(=O)N1CC(O)(C(F)(F)F)C1 to produce CC(C)(C)OC(=O)N1CC(Oc2cncc(Cl)n2)(C(F)(F)F)C1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.