You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Please write the molecular formula of the molecule [4-[2-[4-[4-(4-prop-2-enoyloxybutoxy)benzoyl]oxybenzoyl]oxyethyl]phenyl] 4-(4-prop-2-enoyloxybutoxy)benzoate .
user
C43H42O12
assistant