Using O=C[O-], O=[N+]([O-])c1ccc(C2CCN(CC(F)(F)F)CC2)cc1 to produce O=CNc1ccc(C2CCN(CC(F)(F)F)CC2)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.