You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
1-(3-tert-butylphenyl)-3-[3-[(3-methyl-2-oxo-1H-imidazo[4,5-b]pyridin-7-yl)oxy]phenyl]urea is the IUPAC name of a molecule. Please give its molecular formula.
user
C24H25N5O3
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