Using CC(C)(C)OC(=O)NCCO, O=[N+]([O-])c1cnccc1Cl to produce CC(C)(C)OC(=O)NCCOc1ccncc1[N+](=O)[O-], please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.