You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
2-[1-[2-(1,3-thiazol-4-yl)ethylcarbamoylamino]ethyl]-1,3-thiazole-4-carboxylic acid The above is the IUPAC name of a molecule. Write its molecular formula.
user
C12H14N4O3S2
assistant