Using CC1CC(=O)NN=C1c1ccc(NC2CC2)c([N+](=O)[O-])c1 to produce CC1CC(=O)NN=C1c1ccc(NC2CC2)c(N)c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.