You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
1-[2-(4-chlorophenyl)-2-pyrazol-1-ylethyl]-3-ethyl-2-[2-hydroxy-2-(3-methoxyphenyl)ethyl]guanidine;hydroiodide is the IUPAC name of a molecule. Please give its molecular formula.
user
C23H29ClIN5O2
assistant