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 11-ethyl-11-methyl-13-oxa-9-azoniatetracyclo[7.4.1.05,14.010,12]tetradeca-1,3,5(14),6,8-pentaene is given. What is its corresponding molecular formula?
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C15H16NO+
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