You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Convert the IUPAC name of a molecule ethyl 2-[6-methylsulfonyl-2-(1-thiophen-2-ylsulfonylpiperidine-4-carbonyl)imino-1,3-benzothiazol-3-yl]acetate into molecular formula.
user
C22H25N3O7S4
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