You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Provide the molecular formula for the IUPAC named substance 2-(1,3-benzoxazol-2-ylsulfanyl)-N-[(3R)-1,1-dioxothiolan-3-yl]-N-(2-methoxyethyl)acetamide .
user
C16H20N2O5S2
assistant