Using O=CCCCOC1CCCCO1, Clc1ccc(C[P+](c2ccccc2)(c2ccccc2)c2ccccc2)cc1 to produce Clc1ccc(C=CCCCOC2CCCCO2)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.