You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Convert the IUPAC name of a molecule [4-amino-3-(4-methylphenyl)-2-sulfanylidene-1,3-thiazol-5-yl]-(2-methyl-1H-indol-3-yl)methanone into molecular formula.
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C20H17N3OS2
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