You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
3-[(4-ethynyl-2,2-difluoro-1,1,3-trihydroxy-3H-1-benzothiophen-5-yl)oxy]-5-fluorobenzonitrile The above is the IUPAC name of a molecule. Write its molecular formula.
user
C17H10F3NO4S
assistant