You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Convert the IUPAC name of a molecule 5-[2-[1-[[2-[3-[[(E)-2-[[(Z)-but-2-enylidene]amino]prop-1-enoxy]-difluoromethyl]-4,5,6,7-tetrahydroindazol-1-yl]-1-hydroxyethyl]amino]-2-(3,5-difluorophenyl)ethyl]pyridin-3-yl]-2-(pyridin-2-ylmethoxy)benzamide into molecular formula.
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C43H43F4N7O4
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