Using CCCCCCCN1C(=O)C2CC2(c2ccc([N+](=O)[O-])cc2)C1=O to produce CCCCCCCN1C(=O)C2CC2(c2ccc(N)cc2)C1=O, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.