You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
[(6S)-1,5-diazabicyclo[3.2.2]nonan-6-yl]-[(3S)-3-ethylsulfanylazepan-1-yl]methanone The above is the IUPAC name of a molecule. Write its molecular formula.
user
C16H29N3OS
assistant