Using CCC[C@H]1CC[C@H](C2CC=CCC2)CC1, FC(F)(F)C(F)(F)C(F)(F)I to produce CCC[C@H]1CC[C@H]([C@H]2CC[C@H](C(F)(F)C(F)(F)C(F)(F)F)CC2)CC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.