You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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For the molecule named 2-(3-fluorophenyl)-1-[(3S,4S)-3-(methoxymethyl)-4-(5-methyl-1H-1,2,4-triazol-3-yl)pyrrolidin-1-yl]ethanone by IUPAC nomenclature, provide its molecular formula.
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C17H21FN4O2
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