You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
What is the molecular formula of the compound with this IUPAC name 2-(1-benzofuran-2-yl)-N-(4-piperazin-1-ylpyridin-3-yl)pyrimidine-4-carboxamide ?
user
C22H20N6O2
assistant