You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
What is the molecular formula of the molecule identified by 4,6-dibromo-1,5-difluoro-2-(1,1,1,2,3,3,3-heptafluoropropan-2-ylsulfanyl)-6-propylcyclohexa-1,3-diene ?
user
C12H9Br2F9S
assistant