You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Convert the IUPAC name of a molecule [1-(2-methylpentyl)-3-[5-(2-methylpropyl)-1,2-oxazol-3-yl]-2-oxoimidazolidin-4-yl] acetate into molecular formula.
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C18H29N3O4
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