You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Convert the IUPAC name of a molecule 2-[4-chloro-6-[cyclohexyl(methyl)amino]pyrimidin-2-yl]sulfanyl-N-(2-methoxyethyl)acetamide into molecular formula.
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C16H25ClN4O2S
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