You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
[(2S)-2-[3-(3-fluoro-2-methoxyphenyl)-1,2,4-oxadiazol-5-yl]pyrrolidin-1-yl]-[3-methyl-2-(triazol-2-yl)phenyl]methanone is the IUPAC name of a molecule. Please give its molecular formula.
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C23H21FN6O3
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