Using Nc1cc(I)ccc1C(=O)O, O=S(=O)(Cl)c1cccc2nccnc12 to produce O=C(O)c1ccc(I)cc1NS(=O)(=O)c1cccc2nccnc12, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.