You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Translate the chemical IUPAC name [(2R)-1-[(2S)-2-methyl-2,3-dihydroindol-1-yl]-1-oxopropan-2-yl] 4-(dimethylamino)benzoate into its molecular formula.
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C21H24N2O3
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