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 (2S)-3-phenyl-2-[(2-sulfanylidene-3H-1,3,4-thiadiazol-5-yl)carbamothioylamino]propanoic acid .
user
C12H12N4O2S3
assistant