You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Convert the IUPAC name of a molecule methyl 5-[3-[(2-methylpropan-2-yl)oxycarbonylamino]propanoylamino]-1,2,4-thiadiazole-3-carboxylate into molecular formula.
user
C12H18N4O5S
assistant