You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
3-fluoro-5-[(2,2,3,3-tetrafluoro-4-hydroxy-7-oxatricyclo[6.3.1.04,12]dodeca-1(12),8,10-trien-9-yl)oxy]benzonitrile The above is the IUPAC name of a molecule. Write its molecular formula.
user
C18H10F5NO3
assistant