You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
For the molecule named 14-(2-methyl-4-nitrophenyl)-13,15-dioxo-10,14-diazatetracyclo[8.6.0.02,7.012,16]hexadeca-2,4,6,8-tetraene-11-carboxamide by IUPAC nomenclature, provide its molecular formula.
user
C22H18N4O5
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