You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
What is the molecular formula of the molecule identified by [4-(trifluoromethyl)phenyl]methyl 4-[2-(6-nitrospiro[3H-imidazo[2,1-b][1,3]oxazole-2,4'-piperidine]-1'-yl)-2-oxoethyl]piperazine-1-carboxylate ?
user
C24H27F3N6O6
assistant