Using COc1ccc(CN(Cc2ccc(OC)cc2)c2nc(C)nc(Cl)n2)cc1, I to produce COc1ccc(CN(Cc2ccc(OC)cc2)c2nc(C)nc(I)n2)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.