You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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For the molecule named 7-fluoro-23,23-dimethyl-1,4,14-triazaheptacyclo[16.7.1.02,17.03,11.05,10.012,16.022,26]hexacosa-2,5(10),6,8,11,16,18(26),19,21-nonaene-13,15-dione by IUPAC nomenclature, provide its molecular formula.
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C25H18FN3O2
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