You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
(2S)-2-amino-N-[3-(3-chlorophenoxy)propyl]-N-methyl-4-methylsulfanylbutanamide;hydrochloride is the IUPAC name of a molecule. Please give its molecular formula.
user
C15H24Cl2N2O2S
assistant