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 [3,5-dichloro-4-[[4-methyl-6-(trifluoromethyl)-1H-pyrrolo[2,3-b]pyridin-2-yl]methyl]pyridin-2-yl]-morpholin-4-ylmethanone is given. What is its corresponding molecular formula?
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C20H17Cl2F3N4O2
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