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What is the molecular formula of the molecule identified by 15-(9-phenylcarbazol-3-yl)-10-(4-phenylphenyl)-10-azapentacyclo[11.8.0.03,11.04,9.016,21]henicosa-1,3(11),4,6,8,12,14,16,18,20-decaene ?
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C50H32N2
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