You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
(2R,3S)-2-[1-[(E)-3-(5-methylpyridin-3-yl)prop-2-enoyl]piperidin-4-yl]oxolane-3-carboxamide is the IUPAC name of a molecule. Please give its molecular formula.
user
C19H25N3O3
assistant