Using CCOC(=O)c1cc(-c2cccc(OCc3ccccc3)c2)n(-c2cccc(Cl)c2)n1 to produce CCOC(=O)c1cc(-c2cccc(O)c2)n(-c2cccc(Cl)c2)n1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.