Using c1ccc([P+](Cc2cccc(-c3ccsc3)c2)(c2ccccc2)c2ccccc2)cc1, O=CCCCCCl to produce ClCCCC/C=C/c1cccc(-c2ccsc2)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.