You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Under IUPAC nomenclature, a molecule named 7-ethyl-2-[4-(2,2,2-trifluoroethoxy)-3-(trifluoromethyl)anilino]-[1,3,4]thiadiazolo[3,2-a]pyrimidin-5-one is given. What is its corresponding molecular formula?
user
C16H12F6N4O2S
assistant