Using ICI, Cc1ccc([N+](=O)[O-])cc1C(=O)Nc1cnc(N)nc1 to produce Cc1ccc([N+](=O)[O-])cc1C(=O)Nc1cnc(I)nc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.