You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Convert the IUPAC name of a molecule [(3S,7R,11R,14S,17S)-7,11-diacetyloxy-17-hydroxy-10,13,17-trimethyl-1,2,3,4,7,8,9,11,12,14,15,16-dodecahydrocyclopenta[a]phenanthren-3-yl] acetate into molecular formula.
user
C26H38O7
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