Using CC(C)(C)OC(=O)N1C[C@H](N=[N+]=[N-])[C@@H](O)C1 to produce CC(C)(C)OC(=O)N1C[C@H](N)[C@@H](O)C1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.