You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
2-(4-fluorophenyl)sulfanyl-N-(4-methylsulfonyl-1,3-benzothiazol-2-yl)-N-(2-morpholin-4-ylethyl)acetamide;hydrochloride is the IUPAC name of a molecule. Please give its molecular formula.
user
C22H25ClFN3O4S3
assistant