You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
(3R)-N-(pyridin-3-ylmethyl)-1-[1-(thiophen-2-ylmethyl)piperidin-4-yl]piperidine-3-carboxamide is the IUPAC name of a molecule. Please give its molecular formula.
user
C22H30N4OS
assistant