Using [N-]=[N+]=[N-], CC(OS(C)(=O)=O)c1cc2ccc(Cl)cc2n1-c1cccc(F)c1 to produce CC(N=[N+]=[N-])c1cc2ccc(Cl)cc2n1-c1cccc(F)c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.