You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
N-(8-methyl-8-azabicyclo[3.2.1]octan-3-yl)-4-oxo-1H-cinnoline-3-carboxamide;hydrochloride The above is the IUPAC name of a molecule. Write its molecular formula.
user
C17H21ClN4O2
assistant