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 [(2R)-1-oxo-1-(2,3,4-trifluoroanilino)propan-2-yl]-[(1S)-1,2,3,4-tetrahydronaphthalen-1-yl]azanium is given. What is its corresponding molecular formula?
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C19H20F3N2O+
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