You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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Convert the IUPAC name of a molecule 5-[2-ethyl-5-(trifluoromethyl)imidazo[4,5-b]pyridin-3-yl]-1,3,3a,7a-tetrahydroindol-2-one into molecular formula.
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C17H15F3N4O
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