You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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Convert the IUPAC name of a molecule (3R)-3-[(7-ethyl-[1,2,4]triazolo[4,3-c]pyrimidin-5-yl)sulfanyl]-1,3,4,5-tetrahydro-1-benzazepin-2-one into molecular formula.
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C17H17N5OS
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