You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
(5-bromo-4-methylthiophen-2-yl)-[4-(trifluoromethyl)-3,6-dihydro-2H-pyridin-1-yl]methanone The above is the IUPAC name of a molecule. Write its molecular formula.
user
C12H11BrF3NOS
assistant