You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
For the molecule named [(3R,7S,8S,8aR)-8-[2-[(2R,4R)-4-[tert-butyl(dimethyl)silyl]oxy-6-oxooxan-2-yl]ethyl]-3,7-dimethyl-1,2,3,7,8,8a-hexahydronaphthalen-1-yl] (2S)-2-methylbutanoate by IUPAC nomenclature, provide its molecular formula.
user
C30H50O5Si
assistant