Using CCC(C)C[P+](c1ccccc1)(c1ccccc1)c1ccccc1, COC(=O)CCCCCCCCCCCCCCC=O to produce CCC(C)C=CCCCCCCCCCCCCCCC(=O)OC, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.