You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
For the molecule named tert-butyl-[[(2R,3S,5R)-3-[tert-butyl(dimethyl)silyl]oxy-5-(2,6-diethynylpyridin-3-yl)oxolan-2-yl]methoxy]-dimethylsilane by IUPAC nomenclature, provide its molecular formula.
user
C26H41NO3Si2
assistant