You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
2-[(2R)-3-oxo-4H-1,4-benzoxazin-2-yl]-N-([1,2,4]triazolo[4,3-a]pyridin-3-ylmethyl)acetamide The above is the IUPAC name of a molecule. Write its molecular formula.
user
C17H15N5O3
assistant