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Under IUPAC nomenclature, a molecule named 5-[(4-methylpyrazol-1-yl)methyl]-N-[1-(2-morpholin-4-yl-2-oxoethyl)pyrazol-4-yl]-1,2-oxazole-3-carboxamide is given. What is its corresponding molecular formula?
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C18H21N7O4
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