Using C=C(C1CCC(C2CCC(CCC)CC2)CC1)C(O)c1c(F)cc(C)cc1I to produce CCCC1CCC(C2CCC(C3Cc4cc(C)cc(F)c4C3=O)CC2)CC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.