You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
4-(3,4-dihydro-2H-1,4-benzoxazin-6-yl)-5-(3-methylpyridin-4-yl)-1H-imidazol-2-amine The above is the IUPAC name of a molecule. Write its molecular formula.
user
C17H17N5O
assistant