Using CC(C)CO[PH](=O)Cc1ccccc1P(c1ccccc1)c1ccccc1 to produce O=[PH](O)Cc1ccccc1P(c1ccccc1)c1ccccc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.