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 (5-chloro-2-nitrophenyl)-[3-[3-(furan-2-yl)-1,2,4-oxadiazol-5-yl]azetidin-1-yl]methanone .
user
C16H11ClN4O5
assistant