You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
1-ethyl-2-[(3-hydroxy-4-methoxyphenyl)methyl]-3-[[4-(piperidin-1-ylmethyl)phenyl]methyl]guanidine;hydroiodide The above is the IUPAC name of a molecule. Write its molecular formula.
user
C24H35IN4O2
assistant