Using ClP(Cl)(Cl)(Cl)Cl, O=[PH]([O-])OCC(Cc1ccccc1)(Cc1ccccc1)c1ccccc1 to produce O=[PH](OCCc1ccccc1)OCc1ccccc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.