Using Cc1ccc(S(=O)(=O)NN=C2C(=O)Nc3cc(Cl)ccc32)cc1 to produce [N-]=[N+]=C1C(=O)Nc2cc(Cl)ccc21, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.