You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Convert the IUPAC name of a molecule 6-methyl-N-[1-[(2-methyl-1,3-thiazol-5-yl)methyl]piperidin-4-yl]pyrimidin-4-amine into molecular formula.
user
C15H21N5S
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