You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
For the molecule named 5-chloro-N-ethyl-N-[6-(methylamino)pyridin-2-yl]-3-[2-methyl-2-[4-methyl-3-(trifluoromethyl)phenyl]hydrazinyl]pyridine-2-carboxamide by IUPAC nomenclature, provide its molecular formula.
user
C23H24ClF3N6O
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