Using CN(C)C(=O)[C@@H]1C[C@H](N=[N+]=[N-])CN1C(=O)OC(C)(C)C to produce CN(C)C(=O)[C@@H]1C[C@H](N)CN1C(=O)OC(C)(C)C, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.