You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
3-(4-fluorophenoxy)-5-[3-(4-methoxybutylsulfanyl)pyridin-2-yl]-5-(2H-tetrazol-5-yl)-4H-pyridin-2-amine is the IUPAC name of a molecule. Please give its molecular formula.
user
C22H24FN7O2S
assistant