You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
2-(diethylamino)-N-methyl-N-pyrrolidin-3-ylthieno[2,3-d][1,3]thiazole-5-carboxamide is the IUPAC name of a molecule. Please give its molecular formula.
user
C15H22N4OS2
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