Using O=C1OC(c2ccc(F)cc2)C(Cc2ccc(C(F)(F)F)cc2)N1Cc1cccc2ccccc12 to produce OC(c1ccc(F)cc1)C(Cc1ccc(C(F)(F)F)cc1)NCc1cccc2ccccc12, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.