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What is the molecular formula of the compound with this IUPAC name (13R,15S,16S)-6-(4-tert-butylphenyl)-10,16-bis(dimethylamino)-2,19,20-trihydroxy-17,21-dioxo-5-oxa-7-azapentacyclo[11.8.0.03,11.04,8.015,20]henicosa-1,3,6,8,10,18-hexaene-18-carboxamide ?
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C34H38N4O7
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