You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
(3R)-3-[5-(3-methoxyphenyl)tetrazol-2-yl]-1-(2,2,2-trifluoroethyl)pyrrolidin-2-one is the IUPAC name of a molecule. Please give its molecular formula.
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C14H14F3N5O2
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