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