Using CCOC(=O)COc1ccc(Sc2cc(O)cc(C#Cc3ccc(Cl)cc3)c2)cc1Cl to produce O=C(O)COc1ccc(Sc2cc(O)cc(C#Cc3ccc(Cl)cc3)c2)cc1Cl, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.