Using CCOC(=O)c1cc(C(=O)NC)cc([N+](=O)[O-])c1, [N-]=[N+]=[N-] to produce CCOC(=O)c1cc(-c2nnnn2C)cc([N+](=O)[O-])c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.