Using CN1CCN(C(=O)c2cc3cccc([N+](=O)[O-])c3[nH]2)CC1 to produce CN1CCN(C(=O)c2cc3cccc(N)c3[nH]2)CC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.