Using CC1(C)C(=O)N(I)C(=O)N1I, CCn1cnc2c(-c3ccc(F)cc3)cnnc21 to produce CCn1cnc2c(-c3ccc(F)c(I)c3)cnnc21, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.