You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Translate the chemical IUPAC name N-methyl-N-(1-methylpiperidin-4-yl)-2-(2,6,6-trimethyl-4-oxo-1-propyl-5,7-dihydroindol-3-yl)acetamide into its molecular formula.
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C23H37N3O2
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