You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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Under IUPAC nomenclature, a molecule named 6-[(Z)-1-cyclohexa-1,3-dien-1-ylbut-1-en-3-ynyl]-5-fluoro-1-propan-2-ylsulfonylbenzimidazol-2-amine is given. What is its corresponding molecular formula?
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C20H20FN3O2S
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