Using O=C1c2ccccc2COc2ccc(Br)cc21, c1ccc([P+](CCN2CCCC2)(c2ccccc2)c2ccccc2)cc1 to produce Brc1ccc2c(c1)/C(=C\CN1CCCC1)c1ccccc1CO2, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.