Using c1ccc([P+](CC2CCOCC2)(c2ccccc2)c2ccccc2)cc1, COc1nc(C=O)ccc1Cl to produce COc1nc(/C=C\C2CCOCC2)ccc1Cl, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.