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-benzyl-N-ethyl-2-[[N-methyl-C-(4-pyrimidin-2-ylpiperazin-1-yl)carbonimidoyl]amino]acetamide;hydroiodide .
user
C21H30IN7O
assistant