You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Provide the molecular formula for the IUPAC named substance 1-[(4-ethylsulfanyloxan-4-yl)methyl]-2-methyl-3-[2-(5-methyl-1,3-thiazol-2-yl)ethyl]guanidine .
user
C16H28N4OS2
assistant