You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
[2,3,5,6-tetraethoxy-4-methyl-1-[2-(2,3,5,6-tetraethoxy-4-methyl-1-prop-2-enoyloxycyclohexa-2,4-dien-1-yl)propan-2-yl]cyclohexa-2,4-dien-1-yl] prop-2-enoate is the IUPAC name of a molecule. Please give its molecular formula.
user
C39H60O12
assistant