Using CN(CC(CCOC1CCCCO1)c1ccc(Cl)c(Cl)c1)C(=O)c1ccccc1 to produce CN(CC(CCO)c1ccc(Cl)c(Cl)c1)C(=O)c1ccccc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.