You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
For the molecule named N-(3,3-dimethylbutan-2-yl)-N,4-dimethyl-5-[(propan-2-ylamino)methyl]pyrimidin-2-amine by IUPAC nomenclature, provide its molecular formula.
user
C16H30N4
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