You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Convert the IUPAC name of a molecule 1-[(1E,4Z,8Z)-8,9-difluoro-10-methyl-3,6,7-trimethylideneundeca-1,4,8,10-tetraenyl]-2,3-difluoro-4-methylbenzene into molecular formula.
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C22H20F4
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