You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
[(1R,8R)-5-(5-chlorothiophen-2-yl)-3,4,6,11-tetrazatricyclo[6.2.1.02,6]undeca-2,4-dien-11-yl]-[2-chloro-3-(trifluoromethyl)phenyl]methanone The above is the IUPAC name of a molecule. Write its molecular formula.
user
C19H13Cl2F3N4OS
assistant