Using Nc1ncc([N+](=O)[O-])cc1C(=O)NCc1ccc(Oc2ccccc2)s1 to produce Nc1cnc(N)c(C(=O)NCc2ccc(Oc3ccccc3)s2)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.