Using NO, O=Cc1cn(-c2ccccc2)nc1-c1ccc([N+](=O)[O-])o1 to produce O=[N+]([O-])c1ccc(-c2nn(-c3ccccc3)cc2C=NO)o1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.