[{"from": "human", "value": "Given InChI, write its compound. ->  InChI=1S/C12H2Cl8/c13-5-1-3(7(15)11(19)9(5)17)4-2-6(14)10(18)12(20)8(4)16/h1-2H\n"}, {"from": "gpt", "value": " 2,2',3,3',4,4',5,5'-PCB\n"}]