You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Translate the chemical IUPAC name (3R,6R,7R,8S,9S,10S,14S,17R)-6-ethyl-10,13-dimethyl-17-[(2R)-pent-4-en-2-yl]-2,3,4,5,6,7,8,9,11,12,14,15,16,17-tetradecahydro-1H-cyclopenta[a]phenanthrene-3,7-diol into its molecular formula.
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C26H44O2
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