You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Convert the IUPAC name of a molecule ethane;3-methyl-2-[3-methyl-4-(trifluoromethyl)indazol-2-yl]-6-(trifluoromethyl)imidazo[4,5-b]pyridine into molecular formula.
user
C19H17F6N5
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