Using O=C(O)CCCC[P+](c1ccccc1)(c1ccccc1)c1ccccc1, OC1Cc2ccccc2CO1 to produce O=C(O)CCCC/C=C/c1ccccc1CO, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.