You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Please write the molecular formula of the molecule 6-[4-[3-(8-fluoro-5-methyl-1-oxo-2H-isoquinolin-3-yl)propanoyl]piperazin-1-yl]pyridine-3-carbonitrile .
user
C23H22FN5O2
assistant