You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
(2S)-N-[(2-methoxyphenyl)methyl]-4-methyl-2-[(2-methyl-1,3-benzothiazol-6-yl)sulfonylamino]pentanamide is the IUPAC name of a molecule. Please give its molecular formula.
user
C22H27N3O4S2
assistant