Using CC(C)(CO)CCOP(=O)(OCc1ccccc1)OCc1ccccc1, O=[Cr](=O)([O-])O[Cr](=O)(=O)[O-] to produce CC(C)(CCOP(=O)(OCc1ccccc1)OCc1ccccc1)C(=O)O, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.