You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
2-[2-[3-(2,6-dimethylanilino)-6-fluoroimidazo[1,2-a]pyridin-2-yl]-3-(2-methoxyethylamino)phenoxy]acetamide The above is the IUPAC name of a molecule. Write its molecular formula.
user
C26H28FN5O3
assistant