Using NC(=O)c1cc(-c2ccc(N3CCOCC3)nc2)sc1[N+](=O)[O-] to produce NC(=O)c1cc(-c2ccc(N3CCOCC3)nc2)sc1N, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.