You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Can you give the molecular formula of the molecule 2,2,3,3-tetrafluoro-6-[5-[3-(trifluoromethyl)phenyl]hexa-1,5-dien-2-yl]-4H-thiochromene ?
user
C22H17F7S
assistant