Using COC(OC)c1cc(-c2ncc(C(F)(F)F)cc2Cl)ccc1Cl, CC(O)CO to produce CC1COC(c2cc(-c3ncc(C(F)(F)F)cc3Cl)ccc2Cl)O1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.