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system
Provide the molecular formula for the IUPAC named substance (8S,9S,13S,14S,17E)-13-methyl-17-[2-(1-methylpyrrolidin-3-yl)oxyethylidene]-7,8,9,11,12,14,15,16-octahydro-6H-cyclopenta[a]phenanthren-3-ol .
user
C25H35NO2
assistant