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-[3-[[(cyanoamino)-(pyridin-3-ylamino)methylidene]amino]-2,2-dimethylpropyl]-3,5-difluorobenzamide is given. What is its corresponding molecular formula?
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C19H20F2N6O
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