You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Translate the chemical IUPAC name (1R,3S,5E)-5-[2-[(1R,7aR)-1-[(2R)-7-hydroxy-6-methylheptan-2-yl]-7a-methyl-2,3,3a,5,6,7-hexahydro-1H-inden-4-ylidene]ethylidene]-4,4-difluoro-6-methylidenecyclohexane-1,3-diol into its molecular formula.
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C27H42F2O3
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