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What is the molecular formula of the molecule (1S,2S,6R,14R,15S)-16-[(2R)-2-hydroxy-3,3-dimethylbutan-2-yl]-15-methoxy-13-oxa-5-azahexacyclo[13.2.2.12,8.01,6.02,14.012,20]icosa-8(20),9,11-trien-11-ol ?
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C25H35NO4
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