You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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Convert the IUPAC name of a molecule 15-(4-acetylphenyl)-5-(diethylamino)-9,9-dimethyl-8-oxa-13,15,17-triazatetracyclo[8.7.0.02,7.013,17]heptadeca-2(7),3,5,10-tetraene-14,16-dione into molecular formula.
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C27H30N4O4
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