You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Please write the molecular formula of the molecule 1-[4-[6-(3,5-dimethylpyrazol-1-yl)-2-methylpyrimidin-4-yl]piperazin-1-yl]-2-pyrrol-1-ylethanone .
user
C20H25N7O
assistant