Using CC1=NN(c2ccc(S(=O)(=O)O)cc2)C(=O)C1(Br)Br, NNc1ccccn1 to produce CC1=NN(c2ccc(S(=O)(=O)O)cc2)C(=O)C1N=Nc1ccccn1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.