Using CCC[C@H]1CC[C@H](C2CC=C(c3cc(F)ccc3F)CC2)CC1 to produce CCC[C@H]1CC[C@H](C2CCC(c3cc(F)ccc3F)CC2)CC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.