You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Convert the IUPAC name of a molecule [4-[(E)-2-[3,5-bis[[5-(2,4-difluorophenyl)-2-hydroxybenzoyl]oxy]phenyl]ethenyl]phenyl] 5-(2,4-difluorophenyl)-2-hydroxybenzoate into molecular formula.
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C53H30F6O9
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