You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Translate the chemical IUPAC name 3-[3-(1-hydroxyethyl)anilino]-6,6-dimethyl-2-pyridin-4-yl-5,7-dihydro-1H-indol-4-one into its molecular formula.
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C23H25N3O2
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