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system
What is the molecular formula of the molecule (4R,5R,9S,10R)-7-(3,4-dimethylphenyl)-4-(4-methoxyphenyl)-12-oxa-7-azapentacyclo[11.8.0.02,10.05,9.016,21]henicosa-1(13),2,14,16,18,20-hexaene-6,8,11-trione ?
user
C34H27NO5
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