You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Translate the chemical IUPAC name N-(4-fluorophenyl)-2-[4-(4-methoxyphenyl)sulfanyl-2-methylpiperazin-1-yl]-6-methylpyrimidin-4-amine into its molecular formula.
user
C23H26FN5OS
assistant