Using NS(=O)(=O)Cl, O=C(Nc1ccc2ccccc2c1)C(CO)c1csc2ccc(Cl)cc12 to produce NS(=O)(=O)OCC(C(=O)Nc1ccc2ccccc2c1)c1csc2ccc(Cl)cc12, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.