You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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Convert the IUPAC name of a molecule 5-N,5-N,15-N,15-N-tetranaphthalen-2-yl-2,9-dioxatetracyclo[8.7.1.03,8.014,18]octadeca-1(18),3(8),4,6,10,12,14,16-octaene-5,15-diamine into molecular formula.
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C56H36N2O2
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