Using O=[N+]([O-])c1ccc(Cl)nc1, COC(=O)c1cc(Cl)ccc1O to produce COC(=O)c1cc(Cl)ccc1Oc1ccc([N+](=O)[O-])cn1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.