You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Name the molecular formula for the molecule established as 12-hydroxy-4,10,16,24,27-pentazatetracyclo[20.3.1.110,14.04,25]heptacosa-1(26),2,11,14(27),22,24-hexaene-13,15-dione using the IUPAC nomenclature.
user
C22H27N5O3
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