Using c1ccc([PH+](c2ccccc2)c2ccccc2)cc1, Cc1ccsc1CO to produce Cc1ccsc1C[P+](c1ccccc1)(c1ccccc1)c1ccccc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.