You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
For the molecule named 2-methylsulfanyl-N-[6-(trifluoromethoxy)-1,3-benzothiazol-2-yl]-[1,3]thiazolo[4,5-g][1,3]benzothiazol-7-amine by IUPAC nomenclature, provide its molecular formula.
user
C17H9F3N4OS4
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