OC(=O)C1=C(C(O)=NC2=CC(OS(=O)(=O)C(F)(F)C(F)(F)C(F)(F)C(F)(F)C(F)(F)C(F)(F)C(F)(F)C(F)(F)F)=CC=C2)C(Cl)=C(Cl)C(Cl)=C1Cl