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What is the molecular formula of the molecule (5S)-18-acetamido-2-(1H-imidazol-5-ylmethyl)-5-methyl-3,6,9,15,19-pentaoxo-8-propan-2-yl-1,4,7,10,14-pentazacyclononadecane-11-carboxamide ?
user
C25H39N9O7
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