You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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Translate the chemical IUPAC name 1'-benzyl-7-chloro-2-[5-[(2-fluorophenyl)methylsulfanyl]-1,3,4-thiadiazol-2-yl]spiro[chromeno[2,3-c]pyrrole-1,3'-indole]-2',3,9-trione into its molecular formula.
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C34H20ClFN4O4S2
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