You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Under IUPAC nomenclature, a molecule named 2-methyl-1-[[6-(2-methylimidazol-1-yl)pyridin-3-yl]methyl]-3-(1-phenylpyrrolidin-3-yl)guanidine;hydroiodide is given. What is its corresponding molecular formula?
user
C22H28IN7
assistant