You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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Under IUPAC nomenclature, a molecule named (2Z)-3-chloro-N-[2-methyl-3-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl]-2-(2-oxoethylidene)pyridine-1-carboxamide is given. What is its corresponding molecular formula?
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C21H24BClN2O4
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