You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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Convert the IUPAC name of a molecule 4-[4-(13-oxo-6,7,8,9,10,11-hexahydroazocino[2,1-b]quinazoline-3-carbonyl)-1,4-diazepan-1-yl]benzonitrile into molecular formula.
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C27H29N5O2
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