Using O=N[O-], CC(C)c1ccc(N)c(C(C)C)c1NC(=O)CN1CCN(CCSc2nc3ccccc3o2)CC1 to produce CC(C)c1ccc(O)c(C(C)C)c1NC(=O)CN1CCN(CCSc2nc3ccccc3o2)CC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.