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What is the molecular formula of the compound with this IUPAC name 2-[5-[(E)-but-1-enyl]-1-[(2,5-difluorophenyl)methyl]-2-(2-methylsulfonylacetyl)indol-3-yl]cyclohexa-2,4-dien-1-one ?
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C28H25F2NO4S
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