You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
tert-butyl N-[4-[[(1R,4S)-2,5-diazabicyclo[2.2.1]heptan-2-yl]methyl]phenyl]carbamate is the IUPAC name of a molecule. Please give its molecular formula.
user
C17H25N3O2
assistant