You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
What is the molecular formula of the compound with this IUPAC name 1,3-difluoro-5-[2-(4-heptyl-2,6-dimethylphenyl)ethynyl]-2-methylbenzene;1,3-difluoro-5-[2-(4-hexoxy-2,6-dimethylphenyl)ethynyl]-2-methylbenzene;2,3-difluoro-1-[2-(4-hexoxy-2,6-dimethylphenyl)ethynyl]-4-pentylbenzene;2-[2-(3-fluoro-4-methylphenyl)ethynyl]-5-heptyl-1,3-dimethylbenzene;methane;1,3,4-trifluoro-5-[2-(4-hexoxy-2,6-dimethylphenyl)ethynyl]-2-methylbenzene ?
user
C169H200F14O4
assistant