You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
4-(4-methyl-2,5-dioxoimidazolidin-4-yl)-N-[1-(oxolan-2-ylmethyl)pyrazol-4-yl]benzamide The above is the IUPAC name of a molecule. Write its molecular formula.
user
C19H21N5O4
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