You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Translate the chemical IUPAC name 4-[1-[(2-fluorophenyl)methyl]indol-3-yl]-1-[4-(furan-2-carbonyl)piperazin-1-yl]butan-1-one into its molecular formula.
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C28H28FN3O3
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