You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
For the molecule named N-(5-tert-butyl-1,2-oxazol-3-yl)-N-[(1R)-2-(4-methoxy-2-methylanilino)-2-oxo-1-pyridin-3-ylethyl]propanamide by IUPAC nomenclature, provide its molecular formula.
user
C25H30N4O4
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