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 1-[(1S,2S,6R,7S)-10,10-dimethyl-7-phenyl-8,9-diazatricyclo[5.2.1.02,6]dec-8-en-1-yl]ethenoxy-trimethylsilane .
user
C21H30N2OSi
assistant