[{"from": "human", "value": "Write InChI of given compound. ->  hexacosane\n"}, {"from": "gpt", "value": " InChI=1S/C26H54/c1-3-5-7-9-11-13-15-17-19-21-23-25-26-24-22-20-18-16-14-12-10-8-6-4-2/h3-26H2,1-2H3\n"}]