You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
2-[4-chloro-6-(trifluoromethoxy)quinolin-2-yl]-2,3,4,5-tetrahydro-1,4-benzothiazepine The above is the IUPAC name of a molecule. Write its molecular formula.
user
C19H14ClF3N2OS
assistant