[{"from": "human", "value": "Write aqueous solubility expressed as a logarithm in mol/L of given InChI in room temperature. ->  InChI=1S/C20H42/c1-3-5-7-9-11-13-15-17-19-20-18-16-14-12-10-8-6-4-2/h3-20H2,1-2H3\n"}, {"from": "gpt", "value": " -8.172\n"}]