You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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Under IUPAC nomenclature, a molecule named 1-[2-(2-chloro-6-fluoroanilino)-3-methylimidazo[4,5-c]pyridin-6-yl]ethanone is given. What is its corresponding molecular formula?
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C15H12ClFN4O
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