Using CCCC1(C[P+](c2ccccc2)(c2ccccc2)c2ccccc2)OCCO1, COC(C)(C)CCCC(C)=O to produce COC(C)(C)CCCC(C)=CCCC1(C)OCCO1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.