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 2-(cyclopropylmethyl)-7-(2,3-dihydro-1,4-benzodioxin-6-ylmethyl)-6,8-dihydro-5H-pyrido[3,4-d]pyrimidine is given. What is its corresponding molecular formula?
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C20H23N3O2
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