Using NS(=O)(=O)c1ccc(N=C=S)cc1, NCc1cccc(I)c1 to produce NS(=O)(=O)c1ccc(NC(=S)NCc2cccc(I)c2)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.