Using CCOC(=O)C1Oc2ccc(C)cc2O1, O=S(Cl)c1ccccc1 to produce CCOC(=O)C1Oc2cc(C)c(S(=O)c3ccccc3)cc2O1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.