Using [N-]=[N+]=[N-], BrCc1ccc2c(cnn2C2CCCCO2)c1 to produce [N-]=[N+]=NCc1ccc2c(cnn2C2CCCCO2)c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.