You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Name the molecular formula for the molecule established as N-ethyl-N-[(4-oxo-3H-quinazolin-2-yl)methyl]-2-[3-(trifluoromethyl)anilino]acetamide using the IUPAC nomenclature.
user
C20H19F3N4O2
assistant