You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Translate the chemical IUPAC name 2-(3,5-dimethyl-1,2-oxazol-4-yl)-N-[2-hydroxy-3-(2-oxopyridin-1-yl)propyl]acetamide into its molecular formula.
user
C15H19N3O4
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