You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
2,4-dimethyl-5-[3-(1H-pyrrolo[3,2-b]pyridin-2-yl)piperidin-1-yl]sulfonyl-1,3-thiazole The above is the IUPAC name of a molecule. Write its molecular formula.
user
C17H20N4O2S2
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