You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Please write the molecular formula of the molecule 1-ethyl-2-[(2-methyl-1,2,4-triazol-3-yl)methyl]-3-(1-phenylpyrrolidin-3-yl)guanidine;hydroiodide .
user
C17H26IN7
assistant