You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Convert the IUPAC name of a molecule 5-[[(7S)-2-methyl-4,5,6,7-tetrahydro-1,3-benzothiazol-7-yl]amino]-2-nitrobenzonitrile into molecular formula.
user
C15H14N4O2S
assistant