You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
For the molecule named 7,19-bis(4-ethoxybutyl)-12,24-dithiahexacyclo[11.11.0.02,11.04,9.014,23.016,21]tetracosa-1(13),2(11),3,5,7,9,14(23),15,17,19,21-undecaene by IUPAC nomenclature, provide its molecular formula.
user
C34H36O2S2
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