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-[5-(1H-imidazol-2-yl)-4-(2-methylphenyl)-1,3-thiazol-2-yl]pyridin-2-yl]acetamide .
user
C20H17N5OS
assistant