You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
7-oxo-2-[(3R)-3-[[4-(trifluoromethoxy)phenyl]methylcarbamoyl]-4-[4-(trifluoromethoxy)phenyl]sulfonylpiperazin-1-yl]-6H-[1,3]thiazolo[4,5-d]pyridazine-4-carboxylic acid The above is the IUPAC name of a molecule. Write its molecular formula.
user
C26H20F6N6O8S2
assistant