You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
3-[(2,5-difluorophenyl)methyl]-1-(4-fluorophenyl)-1-[2-[(3-hydroxy-3-methylbutan-2-yl)amino]pyrimidin-4-yl]urea is the IUPAC name of a molecule. Please give its molecular formula.
user
C23H24F3N5O2
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