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 2-[2-(3-fluorophenyl)-1,3-thiazol-4-yl]-N-(2-imidazo[1,2-a]pyridin-2-ylethyl)acetamide .
user
C20H17FN4OS
assistant