Using O=CC[C@H]1CC[C@H](c2ccc(Cl)cc2)CC1, COCCC[P+](c1ccccc1)(c1ccccc1)c1ccccc1 to produce COCCC=CC[C@H]1CC[C@H](c2ccc(Cl)cc2)CC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.