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Under IUPAC nomenclature, a molecule named 15-(2-methylpropyl)-N-[(3-piperidin-1-ylphenyl)methyl]-9,12-dioxa-15-azatricyclo[15.3.1.03,8]henicosa-1(21),3(8),4,6,17,19-hexaene-5-carboxamide is given. What is its corresponding molecular formula?
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C35H45N3O3
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