You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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Translate the chemical IUPAC name 3-[1-(1-prop-2-enoylpyrrolidin-3-yl)oxyisoquinolin-3-yl]-1,4-dihydro-1,2,4-triazol-5-one into its molecular formula.
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C18H17N5O3
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