You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
1-(2-methylpyrimidin-5-yl)-3-[4-[2-[2-(2,2,2-trifluoroethoxy)-4,5,7,8-tetrahydro-[1,3]thiazolo[4,5-d]azepin-6-yl]ethyl]-1-bicyclo[2.2.2]octanyl]propan-2-one is the IUPAC name of a molecule. Please give its molecular formula.
user
C27H35F3N4O2S
assistant