You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
2-[difluoro-(3,4,5-trifluorophenoxy)methyl]-6-[6-(5-methyloxan-2-yl)-1,3-benzothiazol-2-yl]-1,3-benzothiazole is the IUPAC name of a molecule. Please give its molecular formula.
user
C27H19F5N2O2S2
assistant