You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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Convert the IUPAC name of a molecule N-[3-[(5-carbamoylpyridin-3-yl)oxymethyl]-4-chlorophenyl]-5-prop-1-ynylpyridine-2-carboxamide into molecular formula.
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C22H17ClN4O3
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