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 3-ethyl-1-methyl-2-[(4-methylsulfonylphenyl)methyl]-1-[(2-methyl-1,3-thiazol-4-yl)methyl]guanidine .
user
C17H24N4O2S2
assistant