You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
2-methyl-1-[(4-methyl-1,3-thiazol-2-yl)methyl]-3-(1,2,3,4-tetrahydronaphthalen-2-yl)guanidine;hydroiodide The above is the IUPAC name of a molecule. Write its molecular formula.
user
C17H23IN4S
assistant