You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Under IUPAC nomenclature, a molecule named (3R)-3-(4-methoxy-3H-thieno[3,4-d][1,2]oxazol-2-yl)-3-methylpiperidine-2,6-dione is given. What is its corresponding molecular formula?
user
C12H14N2O4S
assistant