You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Convert the IUPAC name of a molecule 2-[(4R)-4-(4-fluorophenyl)-4-methyl-2,5-dioxoimidazolidin-1-yl]-N-[(2S)-4-oxopentan-2-yl]acetamide into molecular formula.
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C17H20FN3O4
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