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 3-[4-[4-[[2-[bis(2-hydroxyethyl)amino]ethylamino]methyl]phenyl]-5,5-dimethylfuran-2-ylidene]-5-fluoro-1H-indol-2-one is given. What is its corresponding molecular formula?
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C27H32FN3O4
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