Using O=C(OC1CCN(Cc2ccccc2)CC1)c1ccc(C(F)(F)F)cc1[N+](=O)[O-] to produce Nc1cc(C(F)(F)F)ccc1C(=O)OC1CCN(Cc2ccccc2)CC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.