You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
For the molecule named N-[(3S)-1-(3-methylimidazo[1,2-b]pyridazin-6-yl)pyrrolidin-3-yl]-5-[4-(trifluoromethyl)phenyl]pyridine-2-carboxamide by IUPAC nomenclature, provide its molecular formula.
user
C24H21F3N6O
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