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system
What is the molecular formula of the molecule 3-[(3E)-3-[3-[8-(3-butoxy-3-oxopropyl)-3-methyl-5-propan-2-ylazulen-1-yl]-2-hydroxy-4-oxocyclobut-2-en-1-ylidene]-1-methyl-7-propan-2-yl-3aH-azulen-4-yl]propanoic acid ?
user
C42H48O6
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