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 N-(1,3-dimethyl-2,4-dioxopyrido[2,3-d]pyrimidin-6-yl)-5,6,7,8,9,10-hexahydrocyclohepta[b]indole-2-carboxamide into its molecular formula.
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C23H23N5O3
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