Using OC(C#CC1(O)CCC2(CC1)OCCO2)c1ccc(Cl)cc1 to produce O=C(C#CC1(O)CCC2(CC1)OCCO2)c1ccc(Cl)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.