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 N-cyclopropyl-2-[4-[N'-[(1,4-dimethylpiperazin-2-yl)methyl]-N-ethylcarbamimidoyl]piperazin-1-yl]acetamide .
user
C19H37N7O
assistant