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What is the molecular formula of the compound with this IUPAC name N-(4-bromo-2-chlorophenyl)-2-[methyl-[2-[(4S)-4-methyl-2-oxo-3,4-dihydro-1H-1,5-benzodiazepin-5-yl]-2-oxoethyl]amino]acetamide ?
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C21H22BrClN4O3
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