Using O=C1CCC2CCC1C2, O=C(O)CCCC[P+](c1ccccc1)(c1ccccc1)c1ccccc1 to produce O=C(O)CCCC=C1CCC2CCC1C2, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.