You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Translate the chemical IUPAC name (1R,11S,12R,16R)-11-(4-chlorobenzoyl)-14-(2-methoxy-5-nitrophenyl)-10,14-diazatetracyclo[8.6.0.02,7.012,16]hexadeca-2,4,6,8-tetraene-13,15-dione into its molecular formula.
user
C28H20ClN3O6
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