Using CS(=O)(=O)Cl, COC(OC)(c1cccc(Oc2ccccc2)c1)C(C)O to produce COC(OC)(c1cccc(Oc2ccccc2)c1)C(C)OS(C)(=O)=O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.