You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
4-N,4-N-dimethyl-6-N-(4-methylphenyl)-2-[4-(2-phenylethyl)piperazin-1-yl]pyrimidine-4,6-diamine is the IUPAC name of a molecule. Please give its molecular formula.
user
C25H32N6
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