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-(4-chlorophenoxy)-2-methyl-1-[3-[6-(trifluoromethyl)pyridin-2-yl]oxyazetidin-1-yl]propan-1-one .
user
C19H18ClF3N2O3
assistant