You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
(5S)-2-(4-methoxyphenyl)-5-methyl-1,1-dioxo-N-[4-(thietan-3-yloxy)phenyl]-1,2-thiazolidine-5-carboxamide The above is the IUPAC name of a molecule. Write its molecular formula.
user
C21H24N2O5S2
assistant