You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
What is the molecular formula of the compound with this IUPAC name (2R)-N-[1-(oxolan-3-ylmethyl)piperidin-4-yl]piperidine-2-carboxamide;dihydrochloride ?
user
C16H31Cl2N3O2
assistant