Using CC(=O)c1ccc(C2CCN(C(C)=O)CC2)c([N+](=O)[O-])c1 to produce CC(=O)c1ccc(C2CCN(C(C)=O)CC2)c(N)c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.