[{"from": "human", "value": "What is compound of given InChI? ->  InChI=1S/C20H26O3/c1-3-19(22)10-8-16-15-5-4-13-12-14(21)6-11-20(13,23)17(15)7-9-18(16,19)2/h1,12,15-17,22-23H,4-11H2,2H3\n"}, {"from": "gpt", "value": " Norethisterone\n"}]