Using Cc1csc(C)c1CO, c1ccc([PH+](c2ccccc2)c2ccccc2)cc1 to produce Cc1csc(C)c1C[P+](c1ccccc1)(c1ccccc1)c1ccccc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.