You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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Under IUPAC nomenclature, a molecule named (Z)-7-[(1R,2R,3R,5S)-2-[(Z,3S)-3-cyclohexyl-3-hydroxyprop-1-enyl]-3,5-dihydroxycyclopentyl]hept-5-enoic acid is given. What is its corresponding molecular formula?
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C21H34O5
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