Using CC(=O)OC1CCN(c2ccc([N+](=O)[O-])c(OC(C)C)c2)CC1 to produce CC(=O)OC1CCN(c2ccc(N)c(OC(C)C)c2)CC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.