Using O=Cc1ccc2ccccc2c1, O=C(O)CCCCC[P+](c1ccccc1)(c1ccccc1)c1ccccc1 to produce O=C(O)CCC/C=C\c1ccc2ccccc2c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.