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 3,10,15-triazapentacyclo[11.7.1.02,11.04,9.017,21]henicosa-1(20),2,4,6,8,10,13(21),14,16,18-decaene into molecular formula.
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C18H11N3
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