Using Ic1c[nH]c2ncc(Sc3ccccc3)cc12, O=S(=O)(Cl)c1ccccc1 to produce O=S(=O)(c1ccccc1)n1cc(I)c2cc(Sc3ccccc3)cnc21, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.