Using [N-]=[N+]=[N-], C[C@@H](CCc1ccccc1)Nc1ccnc(Br)c1C#N to produce C[C@@H](CCc1ccccc1)Nc1ccnc(N=[N+]=[N-])c1C#N, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.