You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Convert the IUPAC name of a molecule 2-methyl-7-(1,3,5-trimethylpyrazol-4-yl)-4,5,6,7-tetrahydro-[1,2,4]triazolo[1,5-a]pyrimidine into molecular formula.
user
C12H18N6
assistant