You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
(3S)-3-[(2-chlorophenyl)methylcarbamoyl-methylamino]-4-[(6-methyl-1,3-benzothiazol-2-yl)carbamoyloxy]butanoic acid is the IUPAC name of a molecule. Please give its molecular formula.
user
C22H23ClN4O5S
assistant