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 (Z)-1-N'-[2-[[5-[(dimethylamino)methyl]furan-2-yl]methylsulfanyl]ethyl]-1-N-methyl-2-nitroethene-1,1-diamine;1,3-dimethyl-7H-purine-2,6-dione is given. What is its corresponding molecular formula?
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C20H30N8O5S
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