You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
3-[[(2R,6R)-2,6-dimethylmorpholin-4-ium-4-yl]methyl]-5-ethylsulfonyl-1,3-benzoxazole-2-thione is the IUPAC name of a molecule. Please give its molecular formula.
user
C16H23N2O4S2+
assistant