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 3-(3-pyridin-3-yl-1,2,4-oxadiazol-5-yl)-N-[1-[4-(trifluoromethoxy)phenyl]ethyl]propanamide .
user
C19H17F3N4O3
assistant