Using COC(=O)N[C@H](C(=O)Nc1ccccc1CC[C@@H]1CN(C(=O)OC(C)(C)C)[C@H](CO)CO1)C(c1ccccc1)c1ccccc1, O=[Cr](=O)([O-])O[Cr](=O)(=O)[O-] to produce COC(=O)N[C@H](C(=O)Nc1ccccc1CC[C@@H]1CN(C(=O)OC(C)(C)C)[C@H](C(=O)O)CO1)C(c1ccccc1)c1ccccc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.