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-[2-[butan-2-yl(methyl)amino]ethyl]-2-methyl-3-[(3,4,5-trimethoxyphenyl)methyl]guanidine;hydroiodide .
user
C19H35IN4O3
assistant