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 ethyl 6-(4-chlorophenyl)-1,4,5-trimethyl-2-sulfanylidene-1,3-diazinane-5-carboxylate is given. What is its corresponding molecular formula?
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C16H21ClN2O2S
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