You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Convert the IUPAC name of a molecule ethyl 3-methyl-1-[3-[2-(2-methylprop-2-enoyloxy)ethoxy]-3-oxoprop-1-en-2-yl]bicyclo[3.1.0]hexane-3-carboxylate into molecular formula.
user
C19H26O6
assistant