You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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Translate the chemical IUPAC name [7-amino-5-(4-amino-3-methyl-2-oxa-8-azaspiro[4.5]decan-8-yl)-8-(2,3-dichlorophenyl)-[1,2,4]triazolo[4,3-c]pyrimidin-3-yl]methanol into its molecular formula.
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C21H25Cl2N7O2
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