You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
(4S,5S)-5-[tert-butyl(dimethyl)silyl]oxy-1,6-dimethyl-4-propan-2-yl-4,4a,5,8-tetrahydro-3H-naphthalen-2-one The above is the IUPAC name of a molecule. Write its molecular formula.
user
C21H36O2Si
assistant