Using COc1nc(C(=O)c2ccc(SC)cc2)ccc1C, c1ccc([P+](CC2CCCC2)(c2ccccc2)c2ccccc2)cc1 to produce COc1nc(/C(=C\C2CCCC2)c2ccc(SC)cc2)ccc1C, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.