You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Please write the molecular formula of the molecule 4,5-dimethoxy-2-nitro-N-[2-[(3-pyridin-3-yl-1,2,4-oxadiazol-5-yl)methyl]phenyl]benzamide .
user
C23H19N5O6
assistant