Using O=C([O-])[O-], CCOC(=O)CN(C)C(=O)[C@H](CNS(=O)(=O)c1ccccc1[N+](=O)[O-])NC(=O)OC(C)(C)C to produce CCOC(=O)CN(C)C(=O)[C@H](CN(C)S(=O)(=O)c1ccccc1[N+](=O)[O-])NC(=O)OC(C)(C)C, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.