[{"from": "human", "value": "Write InChI of given compound. ->  Androstenedione\n"}, {"from": "gpt", "value": " InChI=1S/C19H26O2/c1-18-9-7-13(20)11-12(18)3-4-14-15-5-6-17(21)19(15,2)10-8-16(14)18/h11,14-16H,3-10H2,1-2H3\n"}]