You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
2-(3,5-dioxo-10-oxatricyclo[5.2.1.02,6]dec-8-en-4-yl)ethyl trifluoromethanesulfonate is the IUPAC name of a molecule. Please give its molecular formula.
user
C12H11F3O6S
assistant