You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
1-[(2-cyclopentyloxy-3-methoxyphenyl)methyl]-3-[(3-fluoro-4-hydroxyphenyl)methyl]-2-methylguanidine;hydroiodide The above is the IUPAC name of a molecule. Write its molecular formula.
user
C22H29FIN3O3
assistant