Using CCCCCC=O, CC(=O)OCCCCCCCCCCC[P+](c1ccccc1)(c1ccccc1)c1ccccc1 to produce CCCCC/C=C\CCCCCCCCCCOC(C)=O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.