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 N-[2-[3-(trifluoromethyl)phenyl]pyrazolo[1,5-a]pyrimidin-7-yl]pyrimidine-4-carboxamide is given. What is its corresponding molecular formula?
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C18H11F3N6O
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