You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
(2S,3R,5R,9S)-9-[[tert-butyl(diphenyl)silyl]oxymethyl]-2-ethyl-5-(4-methylphenyl)sulfonyloxonan-3-ol is the IUPAC name of a molecule. Please give its molecular formula.
user
C34H46O5SSi
assistant