Using CC(C)(C)OC(=O)N1C[C@@H]2C(=O)Nc3c(cccc3C(F)(F)F)[C@H]2C1 to produce CC(C)(C)OC(=O)N1C[C@H]2C(=O)Nc3c(cccc3C(F)(F)F)[C@@H]2C1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.