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 N,9-ditert-butyl-10-oxo-9,12-diazatetracyclo[9.7.0.02,7.013,18]octadeca-1(11),2,4,6,13,15,17-heptaene-8-carboxamide is given. What is its corresponding molecular formula?
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C25H29N3O2
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