You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
N-[[3-[(1R,8S)-3-(2-cyclobutylethyl)-4,6-dioxo-3-azatricyclo[6.2.1.02,7]undecan-5-yl]-1,1-dioxo-4H-thieno[2,3-e][1,2,4]thiadiazin-7-yl]methyl]methanesulfonamide The above is the IUPAC name of a molecule. Write its molecular formula.
user
C23H30N4O6S3
assistant