You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
1-[(2S,4S,5R)-4-aminooxy-2-[tert-butyl(diphenyl)silyl]-5-(hydroxymethyl)oxolan-2-yl]-5-methylpyrimidine-2,4-dione is the IUPAC name of a molecule. Please give its molecular formula.
user
C26H33N3O5Si
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