Using Cc1c(Cl)c(C(=O)O)c2n(c1=O)CCC2, Nc1ccc(I)cc1F to produce Cc1c(Nc2ccc(I)cc2F)c(C(=O)O)c2n(c1=O)CCC2, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.