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 1-(5-fluoro-9,12-dioxa-15-azatricyclo[15.3.1.03,8]henicosa-1(21),3(8),4,6,17,19-hexaen-15-yl)-4-(2-fluorophenoxy)butan-1-one is given. What is its corresponding molecular formula?
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C28H29F2NO4
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