You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Convert the IUPAC name of a molecule [7-cyano-3-[4-(4-oxopyridin-1-yl)phenyl]-1-(1-prop-2-enoylpiperidin-3-yl)indazol-5-yl] prop-2-enoate into molecular formula.
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C30H25N5O4
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