Using O=[Cr](=O)([O-])O[Cr](=O)(=O)[O-], CC(C)(C)OC(=O)NC[C@H]1O[C@H](CO)[C@@H](OCc2ccccc2)[C@@H]1OCc1ccccc1 to produce CC(C)(C)OC(=O)NC[C@H]1O[C@H](C(=O)O)[C@@H](OCc2ccccc2)[C@@H]1OCc1ccccc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.