You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
(2S)-2-[6-ethyl-5-(2-methoxy-6-propan-2-ylpyridin-3-yl)-3-methylpyrrolo[3,2-b]pyridin-1-yl]propan-1-ol is the IUPAC name of a molecule. Please give its molecular formula.
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C22H29N3O2
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