You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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For the molecule named 1-[5-tert-butyl-2-(3-cyanophenyl)pyrazol-3-yl]-3-[3-methyl-4-[2-(2-methylpyrazol-3-yl)pyridin-4-yl]oxyphenyl]urea by IUPAC nomenclature, provide its molecular formula.
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C31H30N8O2
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