Using CC(C)(C)OC(=O)N1CCC(NC(=O)c2ccc(C(F)(F)F)cc2F)(C(N)=O)CC1 to produce CC(C)(C)OC(=O)N1CCC2(CC1)N=C(c1ccc(C(F)(F)F)cc1F)NC2=O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.