You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Please write the molecular formula of the molecule 3-(1,3-benzothiazol-2-ylsulfanyl)-2-(1,3-benzothiazol-2-ylsulfinylmethyl)-4-hydroxy-5-oxofuran-2-carboxylic acid .
user
C20H12N2O6S4
assistant