Using COc1cc2cc(CCO)ccc2c(OC)c1OC, CS(=O)(=O)Cl to produce COc1cc2cc(CCOS(C)(=O)=O)ccc2c(OC)c1OC, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.