Using COCOc1ccc(C=O)cc1OC, OCCC[P+](c1ccccc1)(c1ccccc1)c1ccccc1 to produce COCOc1ccc(/C=C/CCO)cc1OC, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.