You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
2-[(1-cyclopropylcyclobutyl)methyl]-1-ethyl-3-(3-methylsulfanylcyclopentyl)guanidine;hydroiodide The above is the IUPAC name of a molecule. Write its molecular formula.
user
C17H32IN3S
assistant