Using CCOC(=O)C1CCN(C(=O)OCc2ccccc2)C(C#N)C1, [N-]=[N+]=[N-] to produce CCOC(=O)C1CCN(C(=O)OCc2ccccc2)C(c2nnn[nH]2)C1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.