Using O=C(C(F)(F)F)C(F)(F)F, COc1cc2c(cc1N1CCN(C)CC1)CC(Cc1cccnc1)C2=O to produce COc1cc2c(cc1N1CCN(C)CC1)CC(Cc1cncc(C(O)(C(F)(F)F)C(F)(F)F)c1)C2=O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.