You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Please write the molecular formula of the molecule N-[[2-(4-fluorophenyl)-3,4,5-trimethylcyclopenta-2,4-dien-1-yl]-dimethylsilyl]-2-methylpropan-2-amine .
user
C20H30FNSi
assistant