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-methyl-1-oxo-1-[[(R)-thiophen-2-yl(thiophen-3-yl)methyl]amino]propan-2-yl] acetate .
user
C15H17NO3S2
assistant