You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Convert the IUPAC name of a molecule 5-[(3aR,4R)-4-[(E)-4,4-difluoro-3-hydroxyoct-1-enyl]-5-methyl-3,3a,4,5,6,6a-hexahydro-2H-cyclopenta[b]furan-2-yl]-5-iodopentanoic acid into molecular formula.
user
C21H33F2IO4
assistant