You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Translate the chemical IUPAC name methyl 6-[6-(2-fluoro-4-methylpiperazin-1-yl)-5-methylindazol-1-yl]-2-methoxypyrimidine-4-carboxylate into its molecular formula.
user
C20H23FN6O3
assistant