Using O=C(c1ccccc1)c1ccc2nc(CSc3ccccn3)[nH]c2c1, O=C(OO)c1cccc(Cl)c1 to produce O=C(c1ccccc1)c1ccc2nc(CS(=O)c3ccccn3)[nH]c2c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.