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-(4-ethoxyphenyl)-4-[(5-methyl-2-phenyl-1,3-oxazol-4-yl)methyl]piperazine-2,3-dione into molecular formula.
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C23H23N3O4
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