Using CCOC(=O)c1c(-c2ccc(O)nc2)nc(-c2ccc(OC(F)(F)F)cc2)n1C1CC1 to produce O=C(O)c1c(-c2ccc(O)nc2)nc(-c2ccc(OC(F)(F)F)cc2)n1C1CC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.