You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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Convert the IUPAC name of a molecule (2S,3S,10S,13S,17S)-17-[diethyl(methyl)silyl]oxy-10,13-dimethyl-2-piperazin-1-yl-2,3,4,5,6,7,8,9,11,12,14,15,16,17-tetradecahydro-1H-cyclopenta[a]phenanthren-3-ol into molecular formula.
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C28H52N2O2Si
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