Using O=C(Nc1ccc(O)cc1)c1ccc(Cl)c([N+](=O)[O-])c1, CCOCCl to produce CCOCOc1ccc(NC(=O)c2ccc(Cl)c([N+](=O)[O-])c2)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.