You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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For the molecule named (1S)-2-(4,5-dimethyl-1,3-thiazol-2-yl)-1-(3-fluorophenyl)-7-methyl-1H-chromeno[2,3-c]pyrrole-3,9-dione by IUPAC nomenclature, provide its molecular formula.
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C23H17FN2O3S
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