[{"from": "human", "value": "What is InChI of given compound? ->  difluron\n"}, {"from": "gpt", "value": " InChI=1S/C14H9ClF2N2O2/c15-8-4-6-9(7-5-8)18-14(21)19-13(20)12-10(16)2-1-3-11(12)17/h1-7H,(H2,18,19,20,21)\n"}]