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-(trifluoromethyl)phenyl]-2-[(8,11,11-trimethyl-3,4,6-triazatricyclo[6.2.1.02,7]undeca-2(7),3,5-trien-5-yl)sulfanyl]acetamide is given. What is its corresponding molecular formula?
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C20H21F3N4OS
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