You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Translate the chemical IUPAC name [2-[ethyl-[2-oxo-2-(propan-2-ylamino)ethyl]amino]-2-oxoethyl] (E)-3-(1,3-benzoxazol-2-yl)prop-2-enoate into its molecular formula.
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C19H23N3O5
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