Using Cc1cc(=O)n(C)c(=O)n1-c1cccc(C(F)(F)F)c1, O=C1CCC(=O)N1I to produce Cc1c(I)c(=O)n(C)c(=O)n1-c1cccc(C(F)(F)F)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.