You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
5-[[4-(1,1-dioxo-1,2-thiazolidin-2-yl)phenyl]sulfonylamino]-3-methylpentanoic acid The above is the IUPAC name of a molecule. Write its molecular formula.
user
C15H22N2O6S2
assistant