You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Translate the chemical IUPAC name (3S,5S,8S,9R,10S,13S,14R,16Z,17S)-16-[(2-chlorophenyl)methylidene]-10,13-dimethyl-1,2,3,4,5,6,7,8,9,11,12,14,15,17-tetradecahydrocyclopenta[a]phenanthrene-3,17-diol into its molecular formula.
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C26H35ClO2
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