You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
5,5-diheptyl-2-hexoxy-7-[4-[4-[(2E,6E)-7-methoxyhepta-2,6-dienyl]phenyl]phenyl]-8-methyl-3-[4-(4-octoxyphenyl)phenyl]benzo[b][1]benzosilole is the IUPAC name of a molecule. Please give its molecular formula.
user
C73H96O3Si
assistant