Using c1ccc([PH+](c2ccccc2)c2ccccc2)cc1, Cc1sc(CO)c(C)c1C to produce Cc1sc(C[P+](c2ccccc2)(c2ccccc2)c2ccccc2)c(C)c1C, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.