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system
Name the molecular formula for the molecule established as methyl (5S,11S,14S,17S)-14-benzyl-5-[[(2R)-2-(methylamino)propanoyl]amino]-6,12,15-trioxo-2-oxa-7,13,16,22,23,24-hexazatricyclo[20.2.1.07,11]pentacosa-1(25),23-diene-17-carboxylate using the IUPAC nomenclature.
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C31H44N8O7
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