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What is the molecular formula of the compound with this IUPAC name (3-chloro-2-methylphenyl)-[3-(imidazol-1-ylmethyl)-5,6,7,9-tetrahydro-[1,2,4]triazolo[4,3-a][1,4]diazepin-8-yl]methanone ?
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C18H19ClN6O
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