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system
What is the molecular formula of the molecule identified by (8S,9S,10R,13S,14S,17S)-17-[(1S)-1-hydroxyethyl]-10,13-dimethyl-7,8,9,12,14,15,16,17-octahydro-6H-cyclopenta[a]phenanthrene-3,11-dione ?
user
C21H28O3
assistant