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What is the molecular formula of the compound with this IUPAC name 4-[[16-[hydroxy(phenyl)methylidene]-8,15-dioxo-14-azatetracyclo[7.7.1.02,7.013,17]heptadeca-1(17),2,4,6,9,11,13-heptaen-10-yl]amino]benzenesulfonic acid ?
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C29H18N2O6S
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