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What is the molecular formula of the compound with this IUPAC name 1-[(5aS,7Z,8S)-6-ethyl-7-ethylidene-3a,6,8-trimethyl-1,2,3,4,5,5a,8,9,9a,9b-decahydrocyclopenta[a]naphthalen-3-yl]ethanone;ethane ?
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C24H42O
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