You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Translate the chemical IUPAC name 5-[[(1R,8S)-4-azatricyclo[4.3.1.13,8]undecan-4-yl]sulfonyl]-2-methylbenzamide into its molecular formula.
user
C18H24N2O3S
assistant