You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
N-(4,5-dimethyl-1,3-benzothiazol-2-yl)-2-(4-methoxyphenyl)-N-[[(2S)-oxolan-2-yl]methyl]acetamide is the IUPAC name of a molecule. Please give its molecular formula.
user
C23H26N2O3S
assistant