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 4-[6-[4-[2-(difluoromethyl)pyridin-4-yl]piperazin-1-yl]pyrimidin-4-yl]morpholine is given. What is its corresponding molecular formula?
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C18H22F2N6O
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