You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Name the molecular formula for the molecule established as 7-[(1S,2R,3R,5S)-3,5-dihydroxy-2-[(3R)-3-hydroxyoct-1-enyl]cyclopentyl]hept-5-enoic acid using the IUPAC nomenclature.
user
C20H34O5
assistant