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-[2-hydroxy-2-(4-methoxyphenyl)ethyl]-N',3,3-trimethyl-5-oxo-4-propan-2-ylpiperazine-1-carboximidamide;hydroiodide .
user
C20H33IN4O3
assistant