You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
4-[(4-hydroxycyclohexyl)amino]-2-[[4-(4-methylphenoxy)pyrimidin-5-yl]methylamino]pyrimidine-5-carbonitrile The above is the IUPAC name of a molecule. Write its molecular formula.
user
C23H25N7O2
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