You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
6-[(5S)-3-[3-(1-phenylethylsulfinyl)propanoyl]-3,8-diazabicyclo[3.2.1]octan-8-yl]pyridine-3-carbonitrile The above is the IUPAC name of a molecule. Write its molecular formula.
user
C23H26N4O2S
assistant