You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
4-methoxy-3-nitro-N-[1-([1,2,4]triazolo[4,3-a]pyridin-3-yl)ethyl]benzamide The above is the IUPAC name of a molecule. Write its molecular formula.
user
C16H15N5O4
assistant