You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
3-(3-methylphenyl)-3-phenyl-3-silapentacyclo[11.8.0.02,10.04,9.016,21]henicosa-1(13),2(10),4,6,8,11,14,16,18,20-decaene is the IUPAC name of a molecule. Please give its molecular formula.
user
C33H24Si
assistant