You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
What is the molecular formula of the compound with this IUPAC name 1-(3-hydroxy-2-phenylpropyl)-2-methyl-3-(2-methyl-3-thiophen-2-ylpropyl)guanidine;hydroiodide ?
user
C19H28IN3OS
assistant