Using O=C(OCc1ccccc1)N1CCN(S(=O)(=O)c2ccc([N+](=O)[O-])cc2C(F)(F)F)CC1 to produce Nc1ccc(S(=O)(=O)N2CCN(C(=O)OCc3ccccc3)CC2)c(C(F)(F)F)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.