Using COCCCO, O=[N+]([O-])c1ccc(Cl)nc1OC1CCOCC1 to produce COCCCOc1ccc([N+](=O)[O-])c(OC2CCOCC2)n1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.