You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Translate the chemical IUPAC name N-[5-[(4S)-2-amino-4-methyl-5,6-dihydro-1,3-thiazin-4-yl]pyridin-3-yl]-5-methylthiophene-2-carboxamide into its molecular formula.
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C16H18N4OS2
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