You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Provide the molecular formula for the IUPAC named substance 7-[(1R,2R,3R,5S)-5-chloro-2-[2-(3,5-dichlorophenyl)ethyl]-3-hydroxycyclopentyl]heptanoic acid .
user
C20H27Cl3O3
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