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 4-hydroxy-3,12-dimethoxy-17-methyl-17-azatetracyclo[8.4.3.01,10.02,7]heptadeca-2(7),3,5,11-tetraen-13-one into molecular formula.
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C19H23NO4
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