You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
(4aR,5S,6S,8aR)-5,8a-dimethyl-5-prop-2-enyl-6-triethylsilyloxy-3,4,4a,6,7,8-hexahydronaphthalene-2-carbaldehyde The above is the IUPAC name of a molecule. Write its molecular formula.
user
C22H38O2Si
assistant