You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
1-[2-(4,5-dimethyl-1,3-thiazol-2-yl)ethyl]-3-[2-(3-methoxyphenoxy)propyl]-2-methylguanidine is the IUPAC name of a molecule. Please give its molecular formula.
user
C19H28N4O2S
assistant