You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Provide the molecular formula for the IUPAC named substance N-(4-methylpyridin-2-yl)-6-[2-[(1S)-1-(propan-2-ylamino)ethyl]-1,3-thiazol-5-yl]pyridin-2-amine .
user
C19H23N5S
assistant