Using CC1(C)CC(OS(C)(=O)=O)CC(C)(C)O1, O=Cc1cc(Cl)ccc1O to produce CC1(C)CC(Oc2ccc(Cl)cc2C=O)CC(C)(C)O1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.