You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
For the molecule named 3-[3-[[[2-formyl-2-[4-(trifluoromethoxy)phenyl]hydrazinyl]-(2-methylphenyl)methylidene]amino]-2-oxopyridin-1-yl]-N,N,2,2-tetramethylpropanamide by IUPAC nomenclature, provide its molecular formula.
user
C28H30F3N5O4
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