You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
For the molecule named (2S,3aR,7aR)-2-(trimethylsilylmethyl)-1,2,3,3a,5,6,7,7a-octahydroinden-4-one by IUPAC nomenclature, provide its molecular formula.
user
C13H24OSi
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