You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
(2S,3S)-6-[2-(piperidin-4-ylamino)ethyl]-3-propanoyl-2-propyl-1,2,3,4-tetrahydropyridine-5-carbaldehyde The above is the IUPAC name of a molecule. Write its molecular formula.
user
C19H33N3O2
assistant