You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
For the molecule named (Z)-4-[(Z)-4-acetyloxy-2-(3,4-difluorophenyl)-3-(4-methylsulfonylphenyl)but-2-enoyl]oxy-2-(3,4-difluorophenyl)-3-(4-methylsulfonylphenyl)but-2-enoic acid by IUPAC nomenclature, provide its molecular formula.
user
C36H28F4O10S2
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