Using ICI, Cc1ncc2c(-c3nc(N)c4c(n3)NC(=O)C4(C)C)nn(Cc3cccc(F)c3F)c2n1 to produce Cc1ncc2c(-c3nc(I)c4c(n3)NC(=O)C4(C)C)nn(Cc3cccc(F)c3F)c2n1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.