You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
propan-2-yl (2R,3S)-2-(1,3-benzodioxol-5-yl)-3-[(4S,5S)-5-[[tert-butyl(dimethyl)silyl]oxymethyl]-2,2-dimethyl-1,3-dioxolan-4-yl]-3-hydroxypropanoate is the IUPAC name of a molecule. Please give its molecular formula.
user
C25H40O8Si
assistant