You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
1-[3-[(3-chloro-2-fluorophenyl)methyl]-1,2,4-oxadiazol-5-yl]-N-methylbutan-2-amine The above is the IUPAC name of a molecule. Write its molecular formula.
user
C14H17ClFN3O
assistant