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Translate the chemical IUPAC name 5-N,18-N-bis(4-tert-butylphenyl)-21,21-dimethyl-5-N,18-N-diphenylpentacyclo[12.7.0.02,7.08,13.015,20]henicosa-1(14),2(7),3,5,8,10,12,15(20),16,18-decaene-5,18-diamine into its molecular formula.
user
C55H52N2
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