You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
1-ethyl-3-[2-(4-fluorophenyl)-2-hydroxyethyl]-2-[[2-(4-methylphenyl)-1,3-oxazol-4-yl]methyl]guanidine;hydroiodide The above is the IUPAC name of a molecule. Write its molecular formula.
user
C22H26FIN4O2
assistant