Using CC(C)(C)OC(=O)N1CCn2c(C(F)(F)F)nc(C(=O)NCC3CC3)c2C1 to produce O=C(NCC1CC1)c1nc(C(F)(F)F)n2c1CNCC2, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.