[{"from": "human", "value": "What is InChI of given compound? ->  Piperine\n"}, {"from": "gpt", "value": " InChI=1S/C17H19NO3/c19-17(18-10-4-1-5-11-18)7-3-2-6-14-8-9-15-16(12-14)21-13-20-15/h2-3,6-9,12H,1,4-5,10-11,13H2\n"}]