Using ClCc1ccccc1Cl, COc1cc(C(=O)N2CCCCc3cc(Cl)ccc32)ccc1O to produce COc1cc(C(=O)N2CCCCc3cc(Cl)ccc32)ccc1OCc1ccccc1Cl, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.