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-(9,13-diazatetracyclo[10.3.1.02,10.03,8]hexadeca-2(10),3,5,7-tetraen-1-yl)phenol is given. What is its corresponding molecular formula?
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C20H20N2O
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