Using O=[N+]([O-])c1cc[nH]n1, CC(C)(C)OC(=O)c1ccc(Cl)nc1 to produce CC(C)(C)OC(=O)c1ccc(-n2ccc([N+](=O)[O-])n2)nc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.