Using Nc1c(C(=O)[O-])cccc1[N+](=O)[O-], CN1CCN(CCc2ccc(N)cc2)CC1 to produce CN1CCN(CCc2ccc(NC(=O)c3cccc([N+](=O)[O-])c3N)cc2)CC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.