You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
2-methyl-1-[[2-(4-methylpiperazin-1-yl)pyridin-3-yl]methyl]-3-[(3-propan-2-yl-1,2-oxazol-5-yl)methyl]guanidine;hydroiodide is the IUPAC name of a molecule. Please give its molecular formula.
user
C20H32IN7O
assistant