You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Convert the IUPAC name of a molecule 1-[4-[2-[4-(4-but-3-enylcyclohexyl)phenyl]ethyl]-2-fluorophenyl]-2,3-difluoro-4-propylbenzene into molecular formula.
user
C33H37F3
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