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 3-[4-(1,3-dioxoisoindol-2-yl)butyl]-1-[(4-methoxyphenyl)methyl]-1,2-dimethylguanidine;hydroiodide .
user
C23H29IN4O3
assistant