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 (4S,5S)-7-ethyl-4-(4-fluorophenyl)-3-methyl-5-[2-(3-methylphenyl)-2-oxoethyl]-1-(2,2,2-trifluoroethyl)-4,5-dihydropyrazolo[3,4-b]pyridin-6-one is given. What is its corresponding molecular formula?
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C26H25F4N3O2
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