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What is the molecular formula of the molecule identified by [(8R,9S,10R,13S,14S)-10,13-dimethyl-3-trimethylsilyloxy-2,3,4,7,8,9,11,12,14,15,16,17-dodecahydro-1H-cyclopenta[a]phenanthren-17-yl]oxy-trimethylsilane ?
user
C25H46O2Si2
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