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What is the molecular formula of the compound with this IUPAC name 9,19-bis(4-methoxyphenyl)-1,3,5,7,11,13,15,17-octakis-phenyl-2,4,6,8,10,12,14,16,18,20,21,22,23,24-tetradecaoxa-1,3,5,7,11,13,15,17-octasila-9,19-diborapentacyclo[11.7.1.13,11.15,17.17,15]tetracosane ?
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C124H108B4O32Si16
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