You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Provide the molecular formula for the IUPAC named substance N-[4-(5-azatricyclo[6.3.1.04,12]dodecan-5-yl)butyl]-5-chloro-2,4-difluorobenzenesulfonamide;hydrochloride .
user
C21H30Cl2F2N2O2S
assistant