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What is the molecular formula of the molecule 4-[(3aS,4S,7S,7aR)-4-[2-(4-cyanophenoxy)ethyl]-7-methyl-1,3-dioxo-3a,5,6,7a-tetrahydro-4,7-epoxyisoindol-2-yl]naphthalene-1-carbonitrile ?
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C29H23N3O4
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