You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
methanamine;2-(4-methylphenyl)-5,6-dihydro-[1,2,4]triazolo[4,3-c]quinazolin-3-one;hydrochloride The above is the IUPAC name of a molecule. Write its molecular formula.
user
C17H20ClN5O
assistant