Using CCOCC, O=CCCC[C@H]1CC[C@H]([C@H]2CC[C@H](c3ccc(F)cc3)CC2)CC1 to produce C=CCCC[C@H]1CC[C@H]([C@H]2CC[C@H](c3ccc(F)cc3)CC2)CC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.