You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Convert the IUPAC name of a molecule 4-[2-(3,5-dimethyl-1,2-oxazol-4-yl)acetyl]-N-[[2-(ethoxymethyl)phenyl]methyl]piperazine-1-carboxamide into molecular formula.
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C22H30N4O4
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