Using COC(=O)c1cnc(NS(=O)(=O)c2cccc(Cl)c2Cl)c(OCc2cccnc2)n1 to produce O=S(=O)(Nc1ncc(CO)nc1OCc1cccnc1)c1cccc(Cl)c1Cl, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.