You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
tert-butyl N-[(2S,6R)-2-[bis(2-aminoethyl)carbamoyl]-3,3-dimethyl-7-oxo-4-thia-1-azabicyclo[3.2.0]heptan-6-yl]carbamate is the IUPAC name of a molecule. Please give its molecular formula.
user
C17H31N5O4S
assistant