You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
For the molecule named (Z,3Z)-3-fluoro-3-[(4E)-6-[4-(2-fluorophenyl)-1H-imidazo[4,5-c]pyridin-2-yl]-4-propylidene-2,3-dihydropyridin-5-ylidene]-2-pyridin-3-ylprop-1-en-1-amine by IUPAC nomenclature, provide its molecular formula.
user
C28H24F2N6
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