You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Name the molecular formula for the molecule established as N-[5-[(2S)-1-(pyridin-3-ylmethyl)piperidin-2-yl]pyridin-2-yl]pyrimidin-2-amine using the IUPAC nomenclature.
user
C20H22N6
assistant