Using COc1c(C)c(C=O)c(OC)c2ccccc12, O=C(O)CCCC[P+](c1ccccc1)(c1ccccc1)c1ccccc1 to produce COc1c(C)c(C=CCCCC(=O)O)c(OC)c2ccccc12, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.