Using COc1ccc2[nH]c(SCc3ncc(C)c(OC)c3C)nc2c1, O=C(OO)c1cccc(Cl)c1 to produce COc1ccc2[nH]c(S(=O)Cc3ncc(C)c(OC)c3C)nc2c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.