Using BrCc1ccc2cnn(C3CCCCO3)c2c1, [N-]=[N+]=[N-] to produce [N-]=[N+]=NCc1ccc2cnn(C3CCCCO3)c2c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.