You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
4-[(1R)-1-[3-(3-fluoro-4-methylphenyl)-1,2,4-oxadiazol-5-yl]ethyl]morpholine The above is the IUPAC name of a molecule. Write its molecular formula.
user
C15H18FN3O2
assistant