You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
1-[(2,4-dimethyl-1,3-thiazol-5-yl)methyl]-2-[(4,5-dimethyl-1,2,4-triazol-3-yl)methyl]-3-(2-thiophen-2-ylethyl)guanidine;hydroiodide The above is the IUPAC name of a molecule. Write its molecular formula.
user
C18H26IN7S2
assistant