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 1,1-dioxo-6-(2,3,4-trichlorophenyl)imidazo[2,1-b][1,3]thiazole-5-carboxylic acid .
user
C12H5Cl3N2O4S
assistant