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 13-[4-(diethylamino)-2-hydroxyphenyl]-3,5-dimethyl-8-phenyl-12-oxa-3,5,9-triazatricyclo[7.4.0.02,7]trideca-1,7-diene-4,6-dione into its molecular formula.
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C27H30N4O4
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