You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Provide the molecular formula for the IUPAC named substance 10-(2,4-dimethoxyphenyl)-6-ethoxy-9-methyl-8-oxa-10,12-diazatricyclo[7.3.1.02,7]trideca-2(7),3,5-trien-11-one .
user
C21H24N2O5
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