You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Can you give the molecular formula of the molecule 1-[2-(4-chlorophenyl)sulfanylethyl]-2-methyl-3-[(2-morpholin-4-ylpyridin-3-yl)methyl]guanidine;hydroiodide ?
user
C20H27ClIN5OS
assistant