You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Please write the molecular formula of the molecule 2-[8-chloro-6-(trifluoromethyl)imidazo[1,2-a]pyridin-2-yl]-N-methyl-N-(2-pyridin-4-ylethyl)acetamide .
user
C18H16ClF3N4O
assistant