You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
N-[2-chloro-5-(trifluoromethyl)phenyl]-1-(5-nitrofuran-2-carbonyl)azetidine-3-carboxamide The above is the IUPAC name of a molecule. Write its molecular formula.
user
C16H11ClF3N3O5
assistant