You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Name the molecular formula for the molecule established as 3-fluoro-4-[2-(5-methyl-1,3,4-oxadiazol-2-yl)-6-azaspiro[2.5]octan-6-yl]benzonitrile using the IUPAC nomenclature.
user
C17H17FN4O
assistant