You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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Under IUPAC nomenclature, a molecule named 1-(6-chloro-1-ethyl-2-hydroxyindol-3-yl)imino-3-(3-sulfamoylphenyl)thiourea is given. What is its corresponding molecular formula?
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C17H16ClN5O3S2
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