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 2-(2,6-dichlorophenyl)-4-[3-(hydroxyiminomethyl)-5-[(Z)-N-hydroxy-C-methylcarbonimidoyl]phenyl]phthalazin-1-one .
user
C23H16Cl2N4O3
assistant