Using N=C(N)Nc1cccc([N+](=O)[O-])c1, CN(C)C=CC(=O)c1ccncc1 to produce O=[N+]([O-])c1cccc(Nc2nccc(-c3ccncc3)n2)c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.