You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Can you give the molecular formula of the molecule N-(2,4-dioxo-1,3-diazaspiro[4.5]decan-3-yl)-2-[4-[[4-(trifluoromethoxy)phenyl]methyl]piperazin-1-yl]acetamide ?
user
C22H28F3N5O4
assistant