You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Under IUPAC nomenclature, a molecule named N-[[(1S,2R,4S)-2-bicyclo[2.2.1]heptanyl]methyl]-3-methylsulfonylbenzamide is given. What is its corresponding molecular formula?
user
C16H21NO3S
assistant