You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
[(3R)-1,1-dioxo-1,5,2-dithiazepan-3-yl]methyl N-(4-methoxyphenyl)carbamate is the IUPAC name of a molecule. Please give its molecular formula.
user
C13H18N2O5S2
assistant