You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Translate the chemical IUPAC name N-[2-(2,3-dimethylphenoxy)pyridin-3-yl]-2-(6-nitro-2-oxo-1,3-benzoxazol-3-yl)acetamide into its molecular formula.
user
C22H18N4O6
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