Using CCOC(=O)C(C)Cc1ccc(-c2ncn(-c3ccc(OC(F)(F)F)cc3)n2)cc1 to produce CC(Cc1ccc(-c2ncn(-c3ccc(OC(F)(F)F)cc3)n2)cc1)C(=O)O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.