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What is the molecular formula of the molecule identified by N-(9,9-dimethylfluoren-2-yl)-N,9-bis(4-phenylphenyl)-9-azapentacyclo[9.7.1.02,10.03,8.015,19]nonadeca-1(18),2(10),3(8),4,6,11,13,15(19),16-nonaen-5-amine ?
user
C57H40N2
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