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 5-(5-amino-[1,3]thiazolo[5,4-d]pyrimidin-7-yl)-N-(4-methoxyphenyl)-5,8-diazaspiro[3.5]nonane-8-carboxamide is given. What is its corresponding molecular formula?
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C20H23N7O2S
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