You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Can you give the molecular formula of the molecule 1-[(2,4-dimethoxyphenyl)methyl]-3-[(2-imidazol-1-ylpyridin-4-yl)methyl]-2-methylguanidine;hydroiodide ?
user
C20H25IN6O2
assistant