Using COc1c(C)cc2[nH]c(SCc3nccc(C)c3C)nc2c1C, O=C(OO)c1cccc(Cl)c1 to produce COc1c(C)cc2[nH]c(S(=O)Cc3nccc(C)c3C)nc2c1C, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.