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-[3-(benzenesulfonyl)propyl]-3-ethyl-2-[(3-propan-2-yl-1,2-oxazol-5-yl)methyl]guanidine;hydroiodide .
user
C19H29IN4O3S
assistant