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 tert-butyl N-[3-[[[ethylamino-[(2-hydroxycyclopentyl)methylamino]methylidene]amino]methyl]pentan-3-yl]carbamate;hydroiodide .
user
C20H41IN4O3
assistant