[{"from": "human", "value": "Write InChI of given compound. ->  7,12-Dimethylbenz(a)anthracene\n"}, {"from": "gpt", "value": " InChI=1S/C20H16/c1-13-16-8-5-6-9-17(16)14(2)20-18(13)12-11-15-7-3-4-10-19(15)20/h3-12H,1-2H3\n"}]