You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
[(2S,3S,4S)-4,5-bis[(2-methylpropan-2-yl)oxycarbonyloxy]-2-[(2-methylpropan-2-yl)oxycarbonyloxymethyl]oxolan-3-yl] tert-butyl carbonate is the IUPAC name of a molecule. Please give its molecular formula.
user
C25H42O13
assistant