Using CC(=O)NNC(=O)c1cc(N2CCOCC2)cc([N+](=O)[O-])c1 to produce Cc1nnc(-c2cc(N3CCOCC3)cc([N+](=O)[O-])c2)o1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.