Using COc1ccc(CCN(Cc2ccccc2)CC(O)c2ccc(Cl)cc2)cc1OC to produce COc1ccc(CCNCC(O)c2ccc(Cl)cc2)cc1OC, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.