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What is the molecular formula of the molecule identified by 27,27-dimethyl-9-phenyl-18-[2-(1-propylbenzimidazol-2-yl)phenyl]-9,18-diazaheptacyclo[18.7.0.02,10.03,8.011,19.012,17.021,26]heptacosa-1,3,5,7,10,12,14,16,19,21,23,25-dodecaene ?
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C49H38N4
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