You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
1-[1-[2-[tert-butyl(dimethyl)silyl]oxyethyl]azetidin-3-yl]sulfonyl-3-(1,2,3,5,6,7-hexahydro-s-indacen-4-yl)urea;1-(1,2,3,5,6,7-hexahydro-s-indacen-4-yl)-3-[1-(2-hydroxyethyl)azetidin-3-yl]sulfonylurea is the IUPAC name of a molecule. Please give its molecular formula.
user
C42H64N6O8S2Si
assistant