[{"from": "human", "value": "What is InChI of given compound? ->  5-(3-Methyl-2-butenyl)-5-ethylbarbital\n"}, {"from": "gpt", "value": " InChI=1S/C11H16N2O3/c1-4-11(6-5-7(2)3)8(14)12-10(16)13-9(11)15/h5H,4,6H2,1-3H3,(H2,12,13,14,15,16)\n"}]