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system
What is the molecular formula of the molecule identified by (7R,8S,9S,10R,13R,14S,17S)-7-chloro-17-ethyl-10,13-dimethyl-6,7,8,9,11,12,14,15,16,17-decahydrocyclopenta[a]phenanthren-3-one ?
user
C21H29ClO
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