You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
methyl 2-(2-methylprop-2-enoyloxy)-5-oxo-2-propan-2-yl-4-oxatricyclo[4.2.1.03,7]nonane-9-carboxylate is the IUPAC name of a molecule. Please give its molecular formula.
user
C17H22O6
assistant