Using Cn1ccnc1SCc1cccc2cc(-c3nccs3)[nH]c12, O=C(OO)c1cccc(Cl)c1 to produce Cn1ccnc1S(=O)Cc1cccc2cc(-c3nccs3)[nH]c12, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.