You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
For the molecule named ethyl (1R)-5-methoxy-13-methyl-8-oxo-6-propan-2-yloxy-13-azatetracyclo[9.3.3.01,10.02,7]heptadeca-2(7),3,5,9-tetraene-11-carboxylate by IUPAC nomenclature, provide its molecular formula.
user
C24H31NO5
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