Using O=S(=O)(Cl)c1ccccc1, Ic1c[nH]c2ncnc(C3CCCC3)c12 to produce O=S(=O)(c1ccccc1)n1cc(I)c2c(C3CCCC3)ncnc21, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.