You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
2-methyl-4-[4-[(4-methyl-5-propan-2-yl-1,2,4-triazol-3-yl)methyl]piperazin-1-yl]pyrimidine The above is the IUPAC name of a molecule. Write its molecular formula.
user
C16H25N7
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