You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
For the molecule named (1R,4S,5S,6S)-5-[tert-butyl(dimethyl)silyl]oxy-4-methyl-3,7-dioxabicyclo[4.1.0]heptan-2-one by IUPAC nomenclature, provide its molecular formula.
user
C12H22O4Si
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