You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
For the molecule named (1R,9R,10R,14R)-4,12,12-trimethyl-11,13,15-trioxa-2,4-diazatetracyclo[7.5.1.02,7.010,14]pentadec-6-ene-3,5-dione by IUPAC nomenclature, provide its molecular formula.
user
C13H16N2O5
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