Using N#Cc1cc(Cl)c2ccc(CBr)cc2n1, [N-]=[N+]=[N-] to produce N#Cc1cc(Cl)c2ccc(CN=[N+]=[N-])cc2n1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.