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What is the molecular formula of the molecule [2-oxo-2-[(5R,8S,10S,13S,14S,16R,17R)-10,13,16-trimethyl-3-oxo-17-propanoyloxy-2,4,5,6,7,8,12,14,15,16-decahydro-1H-cyclopenta[a]phenanthren-17-yl]ethyl] propanoate ?
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C28H40O6
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