You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
4-[2-(4-bromo-3-hydroxyanilino)-1-(fluoromethyl)benzimidazol-5-yl]oxy-N-(2-hydroxyethyl)pyridine-2-carboxamide The above is the IUPAC name of a molecule. Write its molecular formula.
user
C22H19BrFN5O4
assistant