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 tert-butyl 2-[4-(7-thia-9,11-diazatricyclo[6.4.0.02,6]dodeca-1(12),2(6),8,10-tetraen-12-ylamino)cyclohexyl]acetate is given. What is its corresponding molecular formula?
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C21H29N3O2S
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