You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
(2R,3R,4S)-3-[tert-butyl(dimethyl)silyl]oxy-1-(4-methylphenyl)sulfonyl-2-[(E)-prop-1-enyl]-3,4-dihydro-2H-pyridin-4-ol The above is the IUPAC name of a molecule. Write its molecular formula.
user
C21H33NO4SSi
assistant