You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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Under IUPAC nomenclature, a molecule named 1-[4-[4-(6,9-difluoro-1,5-dihydro-2,4-benzodioxepin-3-yl)-1,3-thiazol-2-yl]piperidin-1-yl]-2-(2,2,2-trifluoroethylideneamino)oxyethanone is given. What is its corresponding molecular formula?
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C21H20F5N3O4S
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