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 22-[4-(7-isocyano-9,9-dimethylfluoren-2-yl)phenyl]-6,9,21-triazapentacyclo[12.8.0.02,7.08,13.015,20]docosa-1,3,5,7,9,11,13,15,17,19,21-undecaene into molecular formula.
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C41H26N4
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