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-[7-[2,4-bis(trifluoromethyl)phenyl]-6-(4-chlorophenyl)-2,2-dimethyl-3,4-dihydropyrano[2,3-b]pyridin-4-yl]-2-hydroxy-2-methylpropanamide is given. What is its corresponding molecular formula?
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C28H25ClF6N2O3
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