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 6,7-dichloro-2-[(5-chlorothiophen-2-yl)methylsulfonyl]-3-propan-2-ylquinoxaline using the IUPAC nomenclature.
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C16H13Cl3N2O2S2
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