Using CC(C)(C)OC(=O)N1CC[C@@H](C(=O)NCC(=O)Nc2cccc(C(F)(F)F)c2)C1 to produce O=C(CNC(=O)[C@@H]1CCNC1)Nc1cccc(C(F)(F)F)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.