Using CC(O)(C#CCCOC1CCCCO1)c1ccc(-c2ccc(Cl)cc2)cc1 to produce CC(O)(C#CCCO)c1ccc(-c2ccc(Cl)cc2)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.