Using COC(=O)CCN1CCN(c2ccc(-c3ccc(C#N)cc3)cc2[N+](=O)[O-])C1=O to produce COC(=O)CCN1CCN(c2ccc(-c3ccc(C#N)cc3)cc2N)C1=O, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.