You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Translate the chemical IUPAC name N-[[5-chloro-1-(2-hydroxyethyl)indazol-3-yl]methyl]-5-[[6-[(2-oxopyridin-1-yl)methyl]pyridin-3-yl]methyl]pyridine-3-carboxamide into its molecular formula.
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C28H25ClN6O3
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