You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
3,9-diazabicyclo[4.2.1]nonan-3-yl-[1-(2-methylphenyl)-5-(trifluoromethyl)pyrazol-4-yl]methanone;hydrochloride The above is the IUPAC name of a molecule. Write its molecular formula.
user
C19H22ClF3N4O
assistant