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system
What is the molecular formula of the molecule 1,9,11,14-tetrahydroxy-7-methoxy-10-methyl-8,13-dioxo-3-[(Z)-(propan-2-ylcarbamothioylhydrazinylidene)methyl]-5,6-dihydrobenzo[a]tetracene-2-carboxylic acid ?
user
C30H27N3O9S
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