You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
For the molecule named (3aS,6R,6aS)-6-[(1R)-1-azido-2-[tert-butyl(dimethyl)silyl]oxyethyl]-2,2-dimethyl-6,6a-dihydro-3aH-furo[3,4-d][1,3]dioxol-4-one by IUPAC nomenclature, provide its molecular formula.
user
C15H27N3O5Si
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