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 2-(2,3-dihydro-1,4-benzodioxin-3-ylmethyl)-4-[4-(2-ethylbutyl)piperazin-1-yl]isoindole-1,3-dione is given. What is its corresponding molecular formula?
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C27H33N3O4
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