Using Oc1ccc(Nc2nnc(-c3ccccc3)c3ccccc23)cc1, Clc1ncncc1I to produce Ic1cncnc1Oc1ccc(Nc2nnc(-c3ccccc3)c3ccccc23)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.