You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
tert-butyl 4-[4-[3-[1-[cyano(methyl)amino]-4-methyl-1-oxopentan-2-yl]phenyl]phenoxy]piperidine-1-carboxylate The above is the IUPAC name of a molecule. Write its molecular formula.
user
C30H39N3O4
assistant