You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
What is the molecular formula of the molecule N-[4-(2-aminoethoxy)-3-(4-chloro-2-methylpyrazol-3-yl)phenyl]-2,2,2-trifluoro-N-[4-fluoro-3-(trifluoromethyl)phenyl]acetamide ?
user
C21H16ClF7N4O2
assistant