Using CC(C)(C)OC(=O)Nc1ccc(O)cc1, CNc1nccc(Cl)c1[N+](=O)[O-] to produce CNc1nccc(Oc2ccc(NC(=O)OC(C)(C)C)cc2)c1[N+](=O)[O-], please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.