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 2-(3-cyano-5,8-dimethylquinolin-2-yl)sulfanyl-N-(2,4-dioxo-1H-pyrimidin-5-yl)acetamide into molecular formula.
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C18H15N5O3S
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