Using CCCCN1CCC(N2C(=O)c3ccc([N+](=O)[O-])cc3C2=O)CC1 to produce CCCCN1CCC(N2C(=O)c3ccc(N)cc3C2=O)CC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.