[{"from": "human", "value": "Write InChI of given compound. ->  5-Allyl-5-phenylbarbital\n"}, {"from": "gpt", "value": " InChI=1S/C13H12N2O3/c1-2-8-13(9-6-4-3-5-7-9)10(16)14-12(18)15-11(13)17/h2-7H,1,8H2,(H2,14,15,16,17,18)\n"}]