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What is the molecular formula of the molecule identified by (2S)-3-(1H-indol-2-yl)-2-[[2,3,8-trihydroxy-6-methyl-4-propan-2-yl-7-[1,6,7-trihydroxy-8-(hydroxymethyl)-3-methyl-5-propan-2-ylnaphthalen-2-yl]naphthalen-1-yl]methylideneamino]propanoic acid ?
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C41H42N2O9
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