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 7-chloro-6-[6-(2,6-dimethylmorpholin-4-yl)-3H-imidazo[4,5-c]pyridin-2-yl]-4H-thieno[3,2-b]pyridin-5-one into molecular formula.
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C19H18ClN5O2S
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