You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
N-[4-chloro-2-(6-chloro-4-oxo-3H-quinazolin-2-yl)phenyl]-4-(hydrazinecarbonyl)benzamide The above is the IUPAC name of a molecule. Write its molecular formula.
user
C22H15Cl2N5O3
assistant