You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
What is the molecular formula of the compound with this IUPAC name (4S)-4-[3-oxo-3-[3-[5-[[1-(trifluoromethyl)cyclopropyl]methylamino]pyridin-2-yl]azetidin-1-yl]propyl]oxolan-2-one ?
user
C20H24F3N3O3
assistant