You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
ethyl (3R)-1-[2-[(2S)-2-(3-hydroxypropyl)pyrrolidin-1-yl]acetyl]piperidine-3-carboxylate The above is the IUPAC name of a molecule. Write its molecular formula.
user
C17H30N2O4
assistant