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 1,3-dioxo-N-pyridin-3-yl-5,10-dihydro-4H-azepino[3,4-b]indole-7-carboxamide;pyridin-3-amine into molecular formula.
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C23H20N6O3
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