You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Convert the IUPAC name of a molecule S-[1-[3-[3,4-bis[[tert-butyl(dimethyl)silyl]oxy]phenyl]propyl]pyrrolidin-3-yl] ethanethioate into molecular formula.
user
C27H49NO3SSi2
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