You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Translate the chemical IUPAC name 2-(2-oxochromen-7-yl)oxy-N-[(3-pyridin-3-yl-1,2,4-oxadiazol-5-yl)methyl]acetamide into its molecular formula.
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C19H14N4O5
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