You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
(2R,3R)-N-[1-(2-fluoro-5-methylphenyl)piperidin-4-yl]-2-methylpiperidine-3-carboxamide The above is the IUPAC name of a molecule. Write its molecular formula.
user
C19H28FN3O
assistant