You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
For the molecule named (8S,9R,10S,11S,13S,14S,16R,17S)-11-[tert-butyl(dimethyl)silyl]oxy-9-chloro-17-(2-chloroacetyl)-17-[2-(furan-3-yl)-2-oxoethyl]-10,13,16-trimethyl-6,7,8,11,12,14,15,16-octahydrocyclopenta[a]phenanthren-3-one by IUPAC nomenclature, provide its molecular formula.
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C34H46Cl2O5Si
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