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 N-[[(3S)-4-(oxolane-2-carbonyl)morpholin-3-yl]methyl]-4-[5-(trifluoromethyl)-1,2,4-oxadiazol-3-yl]benzamide .
user
C20H21F3N4O5
assistant