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What is the molecular formula of the compound with this IUPAC name 5-[(1R,2R,6S,7S,8R,10S)-1-[2-(5-chloropyridin-2-yl)oxyethyl]-7-methyl-3,5-dioxo-9,11-dioxa-4-azatetracyclo[5.3.1.02,6.08,10]undecan-4-yl]quinoline-8-carbonitrile ?
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C26H19ClN4O5
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