You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
For the molecule named (2E)-2-[2-(methanesulfonamido)-1,3-thiazol-4-yl]-N-(2-oxoazetidin-3-yl)-2-propan-2-yloxyiminoacetamide by IUPAC nomenclature, provide its molecular formula.
user
C12H17N5O5S2
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