You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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Translate the chemical IUPAC name 5-benzyl-6-(1,4-diazepan-1-yl)-3-[2-(3-methoxyphenyl)-2-oxoethyl]-1-methyl-2,4-dioxopyrrolo[3,2-d]pyrimidine-7-carbonitrile;hydrochloride into its molecular formula.
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C29H31ClN6O4
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