Using O=C(OO)c1cccc(Cl)c1, Nc1ccccc1CSc1nc2c([nH]1)CCCC2 to produce Nc1ccccc1CS(=O)c1nc2c([nH]1)CCCC2, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.