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What is the molecular formula of the molecule [(2S,3S,6R)-4-methoxy-16,18-dioxa-10-azapentacyclo[11.7.0.02,6.06,10.015,19]icosa-1(20),4,13,15(19)-tetraen-3-yl] (2S)-4-oxo-2-[(E)-4-phenylmethoxybut-2-enyl]oxetane-2-carboxylate ?
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C33H35NO8
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