You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
2-methyl-1-[(3-propan-2-yl-1,2-oxazol-5-yl)methyl]-3-([1,2,4]triazolo[4,3-a]pyridin-3-ylmethyl)guanidine;hydroiodide is the IUPAC name of a molecule. Please give its molecular formula.
user
C16H22IN7O
assistant