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What is the molecular formula of the compound with this IUPAC name methyl (1R,2S,7R,8S)-7-benzyl-10-ethyl-5-[(4-methoxycarbonylphenyl)methylsulfanyl]-9,11-dioxo-4,6,10-triazatricyclo[6.3.0.02,6]undec-4-ene-7-carboxylate ?
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C28H29N3O6S
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