You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
What is the molecular formula of the compound with this IUPAC name tert-butyl (2'S)-1-(2-aminopropanoyl)spiro[bicyclo[2.2.2]octane-2,4'-pyrrolidine]-2'-carboxylate ?
user
C19H32N2O3
assistant