You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
For the molecule named 4,8,19,23-tetraethyl-3,9,13,14,18,24-hexamethyl-25,26,27,28,29-pentazahexacyclo[20.2.1.12,5.17,10.112,15.117,20]nonacosa-1(25),2(29),3,5,7,9,11,13,15,17,19,21,23-tridecaene by IUPAC nomenclature, provide its molecular formula.
user
C38H45N5
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