You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
1-(cyclopropylmethyl)-2-[2-(2,5-dimethylfuran-3-yl)-2-hydroxypropyl]-3-ethylguanidine;hydroiodide The above is the IUPAC name of a molecule. Write its molecular formula.
user
C16H28IN3O2
assistant