You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
2-[2-chloro-4-(trifluoromethyl)anilino]-1-(6,7-dihydro-4H-thieno[3,2-c]pyridin-5-yl)ethanone The above is the IUPAC name of a molecule. Write its molecular formula.
user
C16H14ClF3N2OS
assistant