Using CC(C)(C)OC(=O)N1CCC(c2ccc3c(C(=O)NCC4CCC(F)(F)CC4)c(Cl)ccc3n2)CC1 to produce O=C(NCC1CCC(F)(F)CC1)c1c(Cl)ccc2nc(C3CCNCC3)ccc12, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.