You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Name the molecular formula for the molecule established as N-methyl-6-[2-(4-methyl-1,2,4-triazol-3-yl)pyrrolidin-1-yl]-N-phenylpyrimidin-4-amine using the IUPAC nomenclature.
user
C18H21N7
assistant