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-phenyl-7-[2-[3-(trifluoromethoxy)phenyl]acetyl]-2,7-diazaspiro[3.4]octan-5-yl]methyl]benzamide .
user
C29H28F3N3O3
assistant