You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Convert the IUPAC name of a molecule tert-butyl N-ethyl-N-[[1-[N-ethyl-N'-[(3-ethyl-1,2-oxazol-5-yl)methyl]carbamimidoyl]piperidin-4-yl]methyl]carbamate into molecular formula.
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C22H39N5O3
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