Using O=Cc1ccccc1, Nc1ccc(Sc2ccc(O)cc2)c([N+](=O)[O-])c1 to produce O=[N+]([O-])c1cc(NCc2ccccc2)ccc1Sc1ccc(O)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.