You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
What is the molecular formula of the molecule methyl 2-[2-(1,3-benzothiazol-2-yl)-4-[N-[(4-fluorophenyl)methyl]-C-methylcarbonimidoyl]-3-oxo-1H-pyrazol-5-yl]acetate ?
user
C22H19FN4O3S
assistant