You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Translate the chemical IUPAC name 4-chloro-N-(4-fluoro-1,3-benzothiazol-2-yl)-N-(2-morpholin-4-ylethyl)benzamide;hydrochloride into its molecular formula.
user
C20H20Cl2FN3O2S
assistant