You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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For the molecule named ethyl (7R)-7-(4-fluorophenyl)-5-methyl-2-(naphthalen-2-ylmethylsulfanyl)-4,7-dihydro-[1,2,4]triazolo[1,5-a]pyrimidine-6-carboxylate by IUPAC nomenclature, provide its molecular formula.
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C26H23FN4O2S
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