You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
[2,10-ditert-butyl-6-[2-tert-butyl-6-[3-tert-butyl-2-[(4-methylidene-1,3,2-dioxaphospholan-2-yl)oxy]-5-(2,4,6-trimethylphenyl)phenyl]-4-(2,4,6-trimethylphenyl)phenoxy]-4-trimethylsilylbenzo[d][1,3,2]benzodioxaphosphepin-8-yl]-trimethylsilane is the IUPAC name of a molecule. Please give its molecular formula.
user
C67H88O6P2Si2
assistant