[{"from": "human", "value": "Given compound, write its InChI. ->  butacarb\n"}, {"from": "gpt", "value": " InChI=1S/C16H25NO2/c1-15(2,3)11-8-12(16(4,5)6)10-13(9-11)19-14(18)17-7/h8-10H,1-7H3,(H,17,18)\n"}]