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 [(2S)-1-[(1S)-3-phenyl-1-[4-(trifluoromethyl)phenyl]prop-2-ynyl]pyrrolidin-2-yl]methanol is given. What is its corresponding molecular formula?
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C21H20F3NO
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