You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Translate the chemical IUPAC name 12-(3-dibenzothiophen-3-ylquinoxalin-2-yl)-12-azapentacyclo[11.7.1.02,11.03,8.017,21]henicosa-1(20),2(11),3,5,7,9,13,15,17(21),18-decaene into its molecular formula.
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C40H23N3S
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