You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
N-(6-chloro-4-methyl-1,3-benzothiazol-2-yl)-4-(4-chlorophenyl)sulfanyl-N-(pyridin-2-ylmethyl)butanamide The above is the IUPAC name of a molecule. Write its molecular formula.
user
C24H21Cl2N3OS2
assistant